S3-8/01: Mackin, John G. letters to Sewell H. Hopkins and A. A. Jakkula regarding oyster mortality investigations, November 4-28, 1949.
S3-8/02: Mackin, John G. and D. A. Wray, "A Study of Mortality and Mortality-Producing Agencies in Barataria Bay, Louisiana," February 1, 1949.
S3-8/03: Mackin, John G., "Report on a Study of the Efficiency of the Box-Count Method of Estimating Mortality of Oysters," February 5, 1949.
S3-8/04: Mackin, John G., "Report on Experiments to Determine the Effect on Oysters of Heavy Dosages of Crude Oil Over Short Periods of Time," February 8, 1949.
S3-8/05: Mackin, John G., H. Malcolm Owe, and Albert Collier, "Preliminary Note on the Occurrence of a New Parasite, Dermocystidium Marinum N. Sp. in Crassotrea Virginica (Gmelin)," December 10, 1949.
S3-8/06: Mackin, John G. letter to Sewell H. Hopkins regarding oyster mortality investigations, November 22, 1950.
S3-8/07: Mackin, John G., Betty Welch, and Kent Charles, "A Study of Mortality of Oysters of the Buras Area of Louisiana," April 10, 1950.
S3-8/08: Mackin, John G., "A Report on Three Experiments to Study the Effect of Oil Bleedwater on Oysters under Aquarium Conditions," April 11, 1950.
S3-8/09: Mackin, John G., "Report on a Study of the Effect of Application of Crude Petroleum on Saltgrass, Distichlis Spicata (L.) Greene," April 11, 1950.
S3-8/10: Mackin, John G., "A Study of the Effect of Barium Sulphate on Oysters and Some Other Organisms," April 12, 1950.
S3-8/11: Mackin, John G., "A Comparison of the Effect of Application of Crude Petroleum to Marsh Plants and to Oysters," April 12, 1950.
S3-8/12: Mackin, John G., "The Effect of Crude petroleum on Oysters Heavily Infested with Polydora, Cliona, and Martesia," April 19, 1950.
S3-8/13: Mackin, John G. and D. A. Wray, "Report on the Second Study of Mortality in Barataria Bay, Louisiana, and Adjacent Areas," Part I, August 8, 1950.
S3-8/14: Mackin, John G., "Operation and Maintenance of Marine Laboratory at Grand Isle, Louisiana," Progress Report No. 1, June 1 - August 31, 1950; September 1, 1950.
S3-8/15: Mackin, John G., "Diseases of Oysters and Their Relation to the Gulf Coast Oyster Industry," November 3, 1950.
S3-8/16: Mackin, John G., "Operation and Maintenance of Marine Laboratory at Grand Isle, Louisiana," Progress Report No. 2, September 1 - November 30, 1950; December 1, 1950.
S3-8/17: Mackin, John G., "Outline of Basic Studies to Be Carried on at the Grand Isle Laboratory Assuming an Appropriation of $22,700 per Year," 1950.
S3-8/18: Mackin, John G., "Notes on Conches (Thais Floridana) and Conch Predation on the Middleground Bed of Mr. Vinet, Barataria Bay, Louisiana," February 28, 1951.
S3-8/19: Mackin, John G., "Report on Oysters on the Middleground (Barataria Bay, La.) Bed Owned by Mr. Vinet," February 1951.
S3-8/20: Mackin, John G., H. Malcolm Owen, and Albert Collier, "Histopathology of Infection of Crassostrea Virginica (Gmelin) by Dermocystidium Marinum," March 1951.
S3-8/21: Mackin, John G., "Operation and Maintenance of Marine Laboratory at Grand Isle, Louisiana," Progress Report No. 3, December 1, 1950 - February 28, 1951; April 1951.
S3-8/22: Mackin, John G., "Memorandum on a Visit to the Jack Begovitch Bed in Northern Bay Ronquille," March 1951.
S3-8/23: Mackin, John G., "Operation and Maintenance of Marine Laboratory at Grand Isle, Louisiana," Progress Report No. 4, March 1 - May 31, 1951; June 26, 1951.
S3-8/24: Mackin, John G., "Studies on the Effect of Quebracho on Oysters," Technical Report No. 1, July 16, 1951.
S3-8/25: Mackin, John G., "Incidence of Infection of Oysters by Dermocystidium in the Barataria Bay Area of Louisiana," August 1, 1951.
S3-8/26: Mackin, John G. and D. A. Wray, "Mortality of Oysters in the Buras Area of Louisiana during the Summer of 1951," October 5, 1951.
S3-8/27: Mackin, John G., "Report on the Alabama Oyster Industry," 1951.
S3-8/28: Mackin, John G., P. Korringa, and Sewell H. Hopkins, "Hexamitiasis of Ostrea Edulis L. and Crassostrea Virginica (Gmelin)," 1951.
S3-8/29: Mackin, John G., "A Report on Investigations in Bay Lanaux, Louisiana," February 1952.
S3-8/30: Mackin, John G. and D. A. Wray, "Report of the Second Study of Mortality of Oysters in Barataria Bay, Louisiana, and Adjacent Areas," August 9, 1952.
S3-8/31: Mackin, John G., and Fred F. Cauthron, "Effect of Heavy Infestations of Polydora Websteri Hartman on Cassostrae Virginica (Gmelin) in Louisiana," August 1952.
S3-8/32: Mackin, John G., "An Experiment on the Effect of Varying Water Flow on the Mortality of Oyster in Aquaria," Technical Report, No. 2, November 17, 1952.
S3-8/33: Mackin, John G., "A Study of Transmission of Infective Elements of Dermocystidium Marinum by Way of Water Currents," Technical Report No. 3, November 17, 1952.
S3-8/34: Mackin, John G., "A Study of the Effect of Motor Exhaust Gases on Oysters," Technical Report No. 4, December 12, 1952.
S3-8/35: Mackin, John G., "Eel-Grass Disease: A Review of the Literature," 1952.
S3-8/36: Mackin, John G. and Sewell H. Hopkins, "Proposed Program for the Grand Isle Laboratory, Bases on a Five-Year Contract," 1952.
S3-8/37: Mackin, John G., "Proposed Program for the Grand Isle Laboratory, 1952 - 1953, Based on a One-Year Contract," 1952.
S3-8/38: Mackin, John G., "Project to Determine Effect of Dredging Operations on Oysters in the Southern Louisiana Area," 1952.
S3-8/39: Mackin, John G., Sammy M. Ray, and James L. Boswell, "Quantitative Measurement of Effect on Oysters of Disease Caused by Dermocystidium Marinum," 1952.
