12/1: Equipment, 1936; 1942; 1962
12/2: Pre-Vietnam, 1940; 1951-1953; 1982
12/3: Pre-Vietnam, 1943; 1951; 1963; 1989; 1992; Undated
12/4: Tactics, 1946; 1968; 1986; 1991
12/5: Marine Snipers, 1966-1975; 1994-1997
12/6: VC-NVA Snipers, 1966-1967
12/7: Marine Snipers, 1967; 1985
12/8: Equipment, 1967; 1982; 1986-1988
12/9: 9th Infantry, 1969; 1996-1997
12/10: 25th Infantry, Undated
12/11: Vietnam, 1974
12/12: Post-Vietnam, 1980; 1986; 1996; Undated
12/13: Sniper Training and equipment, 1989
12/14: Vietnam, 1989
12/15: Firearms, 1990
12/16: One Shot, One Kill
12/17: Book Lists
12/18: Correspondence with David Kasten, 1992; 1996
12/19: With British Snipers to the Reich, 1993
12/20: Night Hunters, 1994
12/21: Sniper The Skills, The Weapons, The Experiences, 1994
12/22: Journal of Government Info, 1995
12/23: Marine Corps Public Affairs Letters, 1996
12/24: Email and Listserv Correspondence, 1996
12/25: Shooting, 1996
12/26: Surveys and Correspondence, 1996
12/27: Responses, 1996
12/28: Association Letters, 1996-1997
12/29: Survey Responses, 1996-1997
12/30: New Contacts, 1997
12/31: Sniper Training/School, 1997; 2001
12/32: On Killing, Undated
12/33: Marine Snipers, Undated
12/35: Handwritten Notes, Undated
13/1: The Age of Firearms 1/2, 1957
13/2: The Age of Firearms 2/2, 1957
13/3: Sniper Rifles, 1967
13/4: A History of Marksmanship, 1973
13/5: Gun Collector's Book, 1977
13/6: The Evolution of Weapons and Warfare, 1980
13/7: The Confederacy, 1991
13/8: Death from Afar Vol II 1/2, 1992
13/9: Death from Afar Vol II 2/2, 1992
13/10: Scout Sniper, 1993
13/11: Death From Afar Vol III, 1994
13/12: The Buffalo Hunters, 1995
13/13: Operation Tuscaloosa, 1997
13/14: General, 1998
13/15: Scout Snipers 1/2, Undated
13/16: Scout Snipers 2/2, Undated
13/17: Complete Book of US Snipers 1/3, Undated
13/18: Complete Book of US Snipers 2/3, Undated
13/19: Complete Book of US Snipers 3/3, Undated