40/1
Proposed purchase of property by Antonio de los Santos, 1948.

40/2
General file, primarily free-lance legal work undertaken by Mercurio Martinez, 1943-1951.

40/3
Tax receipts and notes on Laredo property owned by Maria de Ponce up to 1948, then Mercurio Martinez.

40/4
Miscellaneous receipts of Mercurio and Rosa Cristina Martinez some elementary school matters, 1948-1951, unsorted.

40/5
Maps and letters notes relative to block owned by Florencis Benavides Petronila G. de, 1948.

40/6
Georga Martinez, partition of lot matter, 1947.

40/7
Immigration regulations and newspaper articles on immigration, 1939-1940.

40/8
Copies of papers relating to the case Antonia Martinez de Vidaurri vs. Refugio Gutierrez, 1936-1950.

40/9
Memos, clippings, and form letters relating to International Boundary Water Commission, U.S. Mexico during the building of Falcon Dam 1949-1954.

40/10
Field notes from which Mercurio Martinez made reports to the U. S. Boundary Commission on Zapata County lands taken for Falcon Reservoir, unsorted, 1951-1953.

43/1
Oil and gas lease receipts deposit slips, 1948.

43/2
Newspaper clippings of articles on health, social security and other matters, unsorted.

43/3
Copy of Deed, notes paid and other materials related to business between Mercurio Martinez Enrique, 1949-1951.

43/4
A form for Power of Attorney to pay Poll tax, 1948.

43/5
A newspaper article on Rodolfo L. Flores, founder of Mexican Confederation Customs Brokers 1949.

43/6
Correspondence concerning the Encyclopedia Britannica purchased by Mercurio Martinez, 1952-1954.

43/7
Correspondence with Century Metalcraft Corporation, 1953.

43/8
Copy of Power Attorney Isidora Martinez, et. al. Land sale document from Juan Gutierrez to Charles Alexander 1952.

43/9
Daily report of instruments filed for record in Webb County, April 29, 1941.

43/10
Records concerning Porciónes 1, 2, and 3 of Rafael Benavides Tract, Zapata County including letters to James F. Jackson Blas Cantu 1954.

43/11
More notes concerning Porciónes 1, 2, and 3, Zapata County, 1954.

43/12
Resolutions of State Association County Judges and Commissioners to be presented Legislature, 1955.

43/13
Trial balances and financial statements of Mercurio Martinez, unsorted, 1943-1955.

43/14
A variety of postcards, receipts, report cards, letters and other unsorted materials related to Rosa Mercurio Martinez, Jr., 1951-1955.

43/15
Clippings about Mercurio Martinez, Jr.`s activities, 1955.

43/16
Copy of will Maria Bertani Derteano, 1955. Two newspapers, in Spanish 1954.

44/1
Mercurio Martinez 's bills and receipts, unsorted.

44/2
Mercurio Martinez 's bills and receipts, unsorted.

44/3
Mercurio Martinez 's bills and receipts, unsorted.

44/4
Correspondence between Mercurio Martinez and tenants in his rental houses, 1949-1952.

44/5
Bill of sale and repair bills on a house Mendiola Street, Laredo, 1948.

44/6
Article on immigration, 1947.

44/7
Notes related to installing indoor bathrooms in Laredo rental houses, 1957.

44/8
Correspondence about the case of Francisco P. de la Garza vs. Piggle Wiggle (Arturo Ramirez ), 1954.

44/9
Papers concerning the real estate of Mrs. Carmen Carlos and copies legal papers related to case vs. Wilmer Threadgill, 1931-1956.

44/10
Newspaper clippings concerning Zapata County politics and correspondence about the Rufino Lopez estate, 1956.

45/1
Papers related to oil and gas leases concerning lands of Josefina Martinez de Proceso heirs, 1930-1955.

45/2
Field notes and sketches of Campo Verde farm, 1953.

45/3
Correspondences and documents relating to sale of land Robert L. Bobbitt from Juan Armando Vasquez McReeve, 1952-1956.

45/4
Bills and receipts, unsorted, 1957.

45/5
Bills and receipts, unsorted, 1957.

45/6
Bills and receipts, unsorted, 1957.

45/7
Field notes and sketches of San Ygnacio property. Agreements between Mercurio Martinez various parties including Cesar Gutierrez, Amador Perez Juan Antonio 1945.

45/8
Papers related to the breach of promise marry; case Lucrecia Uribe vs. Manuel F. Gutierrez, 1935.

45/9
Miscellaneous correspondence, copies of legal papers, affidavits, character references and so forth, 1953-1957.

45/10
Department of Agriculture memos, forms concerning erection an earthen dam, and correspondence with the local county agent, 1957-1958.

45/11
Bills and receipts, unsorted, 1957-1958.

45/12
Bills and receipts, unsorted, 1957-1958.

46/1
Correspondence between Mercurio Martinez and Catholic Accounts In., an income tax return, 1954.

46/2
Bills and receipts, unsorted, 1958.

46/3
Copies of rental agreements and correspondence between Mercurio Martinez his tenants, 1957-1959.

46/4
Miscellaneous correspondence, including circular letters from Lyndon Johnson, 1951-1958.

46/5
Copies of letters and legal papers concerning La Mangana Ranch, Webb County San Antonio Zapata Martinez family properties, 1925-1958.

46/6
Bills and receipts, 1956.

46/7
Bills and receipts, 1956.

46/8
Health advertisements, related letters from Mercurio Martinez, 1958.

46/9
Correspondence between Mercurio Martinez and his tenants, 1952-1957.

46/10
Affidavits and other papers related to establishing the U.S. Citizenship of Lucio Martinez, 1957-1959.

46/11
Correspondence between Mercurio Martinez and the Laredo Historical Survey Committee several handwritten episodes by concerning early history of U. S. Customs office at, 1959.

46/12
Field sketches of property Rosita Uribe and Isabel Angela de., Copy Jesús María will, 1953-1959.

47/1
Papers related to automobiles, including driver's licenses, insurance and information on education, 1939-1959.

47/2
Bills and receipts, unsorted, 1959.

47/3
Bills and receipts, unsorted, 1959.

47/4
Miscellaneous papers, including two autobiographies related to Mercurio Martinez 's years at St. Mary's University, 1957-1959.

47/5
Correspondence, brochures, and other papers related to Mercurio Martinez, Jr.'s years at St. Mary's University his explorations of post-graduate employment opportunities, 1957-1959.

47/6
Bills and receipts related to Mercurio Martinez, Jr.'s university attendance, unsorted, 1957-1959.

47/7
Copy of a will and other legal papers Juan Bustamante Montalvo his wife, 1959.

47/8
Notes, sketch maps, and other papers relating to the María Bertani Derteano lands, 1957.

47/9
Notes, financial records, sketch maps and letters about the María Bertaini Derteano lands, 1956-1957.

47/10
Notes and a copy of the will Herlinda Gutierrez de Martinez, widow Isidoro 1951-1955.

47/11
Copies of deeds and other legal papers, notes genealogical materials related to land owned by the heirs Antonio Martinez Gonzales in Dolores Subdivision, 1937-1955.

47/12
Oil and gas lease from Procesio Martinez to Clifton B. Lewis, 1954.

47/13
Papers related to oil and gas transactions between Mercurio Martinez G. Caballero, matters, 1954-1957.

47/14
Papers related to real estate insurance policies, 1957-1959.

5/1: Uribe, Aureliano, Heirs, a letter, notes and sketch maps related to lots and tracts in the vicinity of San Ygnacio, 1960.

5/2: Uribe, Ignacia and Jovita, documents and correspondence, 1954-1955.

5/3: Uribe, Jose Angel, Estate, copies of documents, notes and sketch maps, 1915-1954.

5/4: Uribe, Replat, maps and notes, Lots of the heirs of Trinidad Uribe, San Ygnacio, 1933

5/5: Uribe, Serafin and Miss Refugio Uribe, List of Real Estate and correspondence, 1963.

5/6: U. S. vs. The Heirs of Cosme Martinez, copies of documents, sketch maps, correspondence and other materials related to condemnation of property in Zapata for Falcon Reservior, 1958-1963.

5/7: U. S. Boundary Commission, list of owners who have lands bordering on the Rio Grande in the San Ygnacio Subdivision of the Jose Vasques Borrego Grant, Zapata County, Texas, 1963.

5/8: U. S. Government, List of Parcels Taken, copies of documents, notes, sketch maps and a clipping related to land taken for Falcon Reservior, 1958-1960.

5/9: U. S. Reports, Cantera Roch Matter, correspondence, sketch maps and receipts, including a photograph of Mercurio Martinez, 1959.

5/10: Vasquez, Juan and Armando, Reeve land matter, correspondence, 1958-1960.

5/11: Villarreal, Adelfa Fernandez, Laredo City Properties, copies of documents and
correspondence, 1953-1956.

5/12: Webb County, History, including life of A. M. Bruni, 1902; Undated

5/13: "Zapata," Ballad, words and music of a corrido written by Mercurio Martinez, 1952.

5/14: Zapata, Bank, clippings, correspondence and notices concerning the failure of the Bank of
Zapata, 1961-1962.

5/15: Zapata, History, including notes, clippings and correspondence, mostly 1945-1953.

5/16: Zapata County, History No. 3, old newspapers, including copies of the Zapata County News, 1945-1946.

11/1: Field notes and maps for La Selva farm and the Presa El Tio Juan, 1964.

11/2: Field notes and sketch maps for Presa El Tio Juan in La Selva and a Borrego genealogy, 1964.

11/3: Correspondence about Delfino Díaz account with Mercurio Martinez, 1963.

11/4: Notes and field maps, San Ygnacio, Zapata County, Texas, 1959-1962.

11/5: Correspondence between Mercurio Martinez and Robert Lee Bobbitt, mostly about oil and gas leases for Martinez'sLa Trinidad Ranch, 1962-1963.

11/6: Insurance policies, driver's license, and other materials related to Mercurio Martinez's automobile, 1953-1964.

11/7: Notes concerning the partition of the Zapata County lands held in common by Acela Martinez de Martinez and Adrian Martinez, 1963.

11/8: Field maps, notes, applications, and other materials related to the proposed construction of a tank at Casa Verde Farm, 1957-1965.

11/9: Sketches of the floor plan of A. Ancira house in Laredo, 1964.

11/10: Plans and sketches for a room at 416 Lincoln, 1964.

11/11: Copy of The Southwestern Historical Quarterly and materials from the Texas State Historical Association, October 1961, 1961.

11/12: Notes, letters, newspaper clippings, and other materials related to the history of San Ygnacio, 1951-1964.

11/13: Copies of wills and documents relating to partition of lots in San Ygnacio, Texas, of Lauro, Serafin, and Amalia Martinez, 1964.

11/14: Papers related to sewer service for House No. 5 on Water Street, Laredo, Texas, 1964.

11/15: Papers related to construction of Presa (dam) Nacagrula at Casa Verde Ranch, Zapata
County, 1964-1965.

11/16: Papers related to the construction of a dam on Mercurio Martinez's Casa Verde Ranch, 1964.

7/1: Papers and maps containing "Information which may be used to file suit against Vidaurri trying to recover 300 acres around the Dolores Ranch, Zapata County, Texas", 1916-1960.

7/2: Same as No. 6 A and including an August 29, 1961, history of the Dolores Ranch founded by Cosme Martinez, 1961-1963.

7/3: Oral Deposition and answers of Mercurio Martinez in connection with the case of Enrique Martinez et. al., vs. Maria Vidaurri de Herbst, et. al., December 7, 1961.

7/4: Papers, maps and correspondence related to the new case of Martinez vs. Vidaurri, 1927-1962.

7/5: Accounts of episodes in the Laredo custom's district by Mercurio Martinez, 1959.

7/6: Copies of "Magazin de La Prensa", 1941.

7/7: Picture of Mercurio Martinez pointing at the two stones placed at Canada de San Andres by Spanish surveyors and picture of the stone house built by Cosme Martinez at Dolores Ranch in 1860.

7/8: Correspondence and papers related to the Dolores settlement road case, 1961-1962.

7/9: Copies of deeds, notes and other records related to the Martinez-Vidaurri land controversy.

7/10: Primarily correspondence between Mercurio Martinez and his son, Mercurio Martinez, Jr., and nephew, Antonio Martinez, 1956-1958.

56/1: Heirship of Jesusa Vidaurri, wife of Victorino Dovalina.

56/2: Map of Laredo, Texas, blueprint, 1926.

56/3: Sketch map of share No. 9 out of San Andres Pasture, Zapata County, Texas, belonging to Mercurio Martinez.

56/4: Genealogical chart of the descendants of José Domingo Gonzalez, original grantee of four leagues of land.

59/12: Genealogical chart of the descendants of Bartolome Martinez, an original settler of Revilla (Guerrero) Tamaulipas, Mexico in 1750, December 30, 1963.

59/13: Sketch map of the Dolores Settlement and adjacent lands, Zapata County.

59/14: Genealogical chart showing the descendants of Lazaro Benavides and labeled "Family Tree of the principal families of Laredo, Texas. "

59/15: Replot of town lots in the north portion of San Ygnacio by the heirs of Trinidad Uribe, blueprint.

59/16: Certified copy of a map of the José Vasquez Borrego Grant showing Dolores, Corralitos, and San Ygnacio subdivisions, white print, 1958.

68/52: Map showing land ownership in Zavala County, Texas, whiteprint.

68/53: Amended Plat showing subdivision of survey 267, ABST 1134, C.C.S.D. and R.G.N.G.Ry. Webb County, 1922.

68/54: Map of blocks in Laredo belonging to Hicks, Hicks and Bobbitt, blueprint.

68/55: Map showing partition of lands in Porción 52,Webb County, between David, Felipe and Francisca Martinez, blueprint, 1938.

68/56: Copy of the J.J. Cox map of the José Vasquez Borrego Grant, blueprint, 1902.

74/75
Map showing the length of the Laredo-Zapata State Highway from San Francisco Hills to the line passing between the two Cerritos de Mendes and dividing the Dolores Ranch in two parts, pencil on tracing paper.

74/76
Plat of part of the tract of land in the Dolores Subdivision conveyed to Cosme Martinez in 1859 as surveyed by Martin von Merrick in 1870, and resurveyed by E. J. Foster, showing landownership, whiteprint, 1956, 1956.

74/77
Map showing the Laredo-Zapata Highway and certain tracts of land in the Dolores Subdivision, pencil on tracing paper.

74/78
Proposed layout for the new Zapata County cemetery, whiteprint with hand coloring and labeling, circa 1951.

74/79
Map representing fences and fields in the vicinity of Dolores Settlement, Zapata County, in 1910, pencil and colored pencil on tracing paper.

82/107
Sketch map showing the length of the Laredo-Zapata Highway in the José Vasquez Borrego Grant, and other information, pencil and ink on tracing paper.

82/108
Plot of the New Town of Zapata, Zapata County, whiteprint, 1953.

82/109
Homemade map showing the 61-acre tract of the Dolores Ranch site and adjacent lands, Zapata County, pencil on tracing paper.

82/110
Map of San Ygnacio, Zapata County, blueprint.

82/111
Map of the Dolores Settlement, Zapata County, whiteprint, 1927.

82/112
Homemade map of Porciónes of the city of Laredo, including parts of Porciónes 51, 52, and 53, ink on tracing paper, 1962.

84/118
Map of the Mirando Oil District of Webb, Zapata and Jim Hogg Counties, Texas, whiteprint.

84/119
Old map of Zapata County showing Spanish Grants and lands slated to be given to railroads, blueprint, 1901.

84/120
Floorplan of a building.

57/5: Genealogical chart of some descendants of José Domingo Gonzalez showing land sales.

57/6: Genealogical chart of some descendants of José Domingo Gonzalez showing land sales.

57/7: Map of Las Lajas Tract, Property of heirs of Juan Vidaurri in Zapata County, Texas, also showing the Rancho Dolores Settlement, E. J. Foster, surveyor, whiteprint, 1947.

57/8: Map of the town of San Ygnacio, Zapata County, Texas, inked copy showing a proposed paved loop past local landmarks.

60/17: Map of" La Volanta" Pasture, Webb County, Texas, blueprint, 1937.

60/18: Sketch map showing lands in and around the Dolores settlement, Zapata County, Texas, 1958.

60/19: Smith and Corkills' Solidad Ranches in Duval and Webb Counties, Texas, blueprint.

63/31: Sketch map of partition of lands in Porción 52, Webb County, between Felipe M. Gutierrez and others.

63/32: Photostat copy of a map attached to a Partition Deed of lands in the Dolores Subdivision by and between Proceso Martinez and others, 1918.

63/33: Map showing the Sauz Ranch Tract of Jesús María Martinez in the José Vasquez Borrego Grant, blueprint, 1940.

63/34: Map of La Volanta Pasture, Webb County, Texas, blueprint, 1937.

63/35: Map of the José Vasquez Borrego Grant, whiteprint, 1921.

69/57: Dovalina Family [unkown].

69/59: Map of Texas showing different Railroad Companies, whiteprint.

69/60: Subdivision of Blocks 248-249-250, in Laredo, blueprint.

69/61: World map

75/80
Fransler's Map of the San Ygnacio Subdivision, Zapata County showing petition of lands, whiteprint.

75/81
Map showing land in the San Ygnacio Subdivision, Zapata County, taken by the U. S. government for Falcon Reservoir, 1954.

75/82
Map of the Dolores Subdivision, Zapata County, showing landownership, ink on tracing paper, 1936.

76/83
Map of Frio County showing landownership, blueprint, 1893.

76/84
Genealogical chart of the Cuellar family and other original settlers of Guerrero, Tamaulipas, Mexico with historical notes, whiteprint.

76/85
Map of Zapata County showing landownership, whiteprint on linen, 1920.

76/86
Map of the Las Lajas Tract, Zapata County, property of heirs of Juan Vidaurri, whiteprint, 1947.

76/87
Genealogical chart and land division and sales, Vidaurri family, pencil.

77/88
Map of Zapata County showing oil wells and landownership, whiteprint.

77/89
Sketch showing lands owned by the heirs of José María Uribe in share 28 of the San Ygnacio Subdivision, Zapata County, blueprint, 1941.

77/90
Map of a portion of the Corralitos and Dolores Subdivisions, Zapata County, pencil on tracing paper, 1960.

78/92
Sketch map of Cuellar family lands, porciónes 1 and 2, Zapata County, pencil, 1935.

78/93
Map of Porciónes 36 and 37, Webb County, with developments, blueprint, 1915.

78/94
Map of Aviator Field, Webb County, whiteprint.

80/99
Map showing Rufino López's lands in Webb, Duval, Jim Hogg and Zapata Counties, blueprint, 1922.

80/100
Chart of descendants of José Vasquez Borrego, ink on linen.

80/101
Genealogical chart of the Borrego and Vidaurri families and land transactions, pencil.

58/9: Genealogical chart of the descendants of Jesus Treviño and Viviana Gutierrez, founders of San Ygnacio, Texas.

58/10: Map showing the subdivisions of the José Vasquez Borrego Grant in Zapata and Webb Counties, blueprint, 1921

58/11: Map of San Ygnacio, Zapata County, Texas, blueprint.

64/36: Map of roads and land holdings in the Dolores Subdivision, 1927.

64/37: Ink sketch map of Mercurio Martinez lands in Zapata County including Casa Verde and La Selva farms, 1936.

64/38: Land ownership map of Zapata County showing roads and ranches, ink on linen, 1919.

64/39: Contour map of property of the Cole Interests in Webb and Duval Counties.

64/40: Map of land in Webb and Zapata Counties showing conflict between the porciónes of Laredo and the José Vasquez Borrego Grant, blueprint, 1911.

65/41: Map showing partition of lands in the Dolores Subdivision of the José Vasquez Borrego Grant, Webb County, San Andres Pasture, blueprint, 1933.

65/42: Sectioned map of the Santo Tomás Tract, Webb County, blueprint, 1919.

65/43: Map showing partition of Zapata County land between the heirs of Trinidad Uribe, blueprint, 1915.

67/47: Duval County Sketch of Subdivision of survey's nos. 319 and 26, blueprint, 1924.

67/48: Map of the town of San Ygnacio, Zapata County, prepared by the International Boundary and Water Commission, whiteprint, 1949.

67/49: Pencil sketch of tracts of land in the Dolores Settlement, Zapata County.

67/50: Map of the San Ygnacio, Corralitos and Dolores Subdivisions, in pencil with numerous notes.

67/51: Fragments of a map of partition of San Ygnacio lands, blueprint, 1914.

70/62
Map of area near Dolores ranch showing landowners with a detail of Dolores Settlement, Zapata County, whiteprint, 1926.

70/63
Map showing lands owned by Mercurio Martinez, La Selva, Casa Verde and Las Cabras tracts, in the San Ygnacio Subdivision, Zapata County, whiteprint.

70/65
Landownership of Zavala County, whiteprint.

71/66
Duval County Sketch of Subdivision of Surveys' Nos. 319 and 26, blueprint, 1924.

71/67
Map of Mirando oil field area, blueprint.

73/71
Genealogical chart of the descendants of Jesusa Vidaurri and Victorino Dovalina.

73/72
Plan of New Zapata showing lots, whiteprint with color key, 1951.

73/73
Map showing Rufino Lopez's lands in Webb, Duval, Jim Hogg and Zapata Counties, whiteprint on linen, 1922.

73/74
Map of the José Vasquez Borrego Grant, Survey 197, in Zapata and Webb Counties, showing ownership of tracts of land, whiteprint.

79/95
Genealogical chart of the heirs of José Vasquez Borrego and land sales to the Cosme Martinez family.

79/96
Map showing subdivision of surveys owned by Rufino López in Zapata County, and the Mirando Oil Field, blueprint, 1921.

79/97
Sketch map of Porción 41, Zapata County, pencil.

79/98
Sketch map of La Selva and Casa Verde pastures, pencil.

83/113
Map of the Dolores Settlement, Zapata County, blueprint.

83/114
Map of San Ygnacio and surrounding lands, blueprint, 1917.

83/115
Map showing partition of lands in the Dolores Subdivision, Zapata County, whiteprint, 1933.

83/116
Map of a partition of the Labores del Palo Blanco Ranch, Zapata County, ink on linen, 1923.

83/117
Genealogical and land sale chart concerning lands in the José Vasquez Borrego Grant, Zapata County, 7 sheets, pencil.

61/21: Original map showing the subdivision of the José Vasquez Borrego Grant, ink, 1958.

61/22: Map of the José Vasquez Borrego Grant, whiteprint, 1962.

61/23: Genealogical chart showing the children and heirs of Estanislado Gutierrez and Josefa Gutierrez, descendants of Captain José Miguel de Cuellar, an early settler of Texas, ink original.

61/24: Whiteprint copy of No. 23.