Collection (03-128) contains primarily correspondence and greeting cards, including with John Archibald Wheeler (considered the father of "black holes") on parapsychology and its intersection with theoretical physics. Also includes news clippings and scrapbooks documenting McMahan's life; illustrations she made describing her travels aboard Pacific-traveling cargo ships; several of her self-published children's books; and compilations of her cartoons from "The Meadowlark" newsletter. Acquired as part of the Sallie Bingham Center for Women's History and Culture. Addition (03-270) (650 items, 1.4 lin. ft.; dated 1926-1998) consists of McMahan's artwork, correspondence (including with friend and colleague Howard T. Odum), photographs, journals, diplomas, and other ephemera. This accession is closed to researchers. Addition (04-334) (378 items, .6 lin. ft; dated 1972-2004) comprises correspondence, field notes, journals, and sketch books related to McMahan's termite research. Also includes newsletters, photographs, certificates, and awards. This accession is closed to researchers. Addition (06-012) (3,060 items, 4.8 lin. ft.; dated 1940-2006) comprises primarily original illustrations by McMahan. Also includes correspondence, children's stories, cartoons, a sketchbook, postcards, poetry, lecture notes, travel journals, clippings and one VHS tape containing an interview with McMahan held in 2004. This accession is closed to researchers. Addition (06-034) (1,275 items, 2.4 lin. ft.; dated 1967-2005) comprises primarily correspondence written by McMahan to Burke Smith; 6 photographs; clippings; and sketches of cartoons by the donor. This accession is closed to researchers. Addition (07-016) (500 items, 0.8 lin. ft.; dated 1999-2006) contains printed email correspondence, 1999-2006 and some clippings. Addition (07-076) (1225 items, 2.3 lin. ft.; dated 1934-2006) contains personal files and ephemera including correspondence, clippings, journals and diaries, sketches for CAMIE, World War II ration books, and various materials from McMahan's school years. Addition (07-203) (375 items, 0.6 lin. ft; dated 1950-2007) contains miscellaneous correspondence (both handwritten and email), Carolina Meadows material, photographs, and an application and subsequent correspondence with the Public Health Service from 1959. Addition (08-264) (375 items, 0.6 lin. ft.; dated 2007-2008) contains printed email correspondence and some Carolina Meadows material. Addition (2009-0203) (100 items; 0.4 lin. ft.; dated 1946-1987) includes a Thematic Apperception Test, Duke parapsychology lab communications, color slides of Duke's campus (1957), UNC Department of Zoology correspondence, materials on Donald Costello and Burke Smith, and miscellaneous materials from McMahan's retirement in 1987. Addition (2009-0206) (1 item; 0.2 lin. ft.; dated 1950s-1960s) consists of a photo album with unlabelled photographs of the J.B. Rhine family and the Duke parapsychology laboratory. Addition (2009-0222) (700 items; 1.2 lin. ft.) includes subject files, correspondence, and other materials from McMahan's retirement. Subjects include Jamaica, the Duke parapsychology lab, freighter travel, UNC's Zoology Department, etc. Addition (2010-0132) (29 items; .1 lin. ft.; dated 1985-2009 and undated) contains flyers and email from the UNC biology dept. and library; McMahan's obituaries and memorial program; two articles she published on the Assassin bug;, newspaper clippings on her work; and copies of her cartoon works, including two of her children's books. Addition (2011-0124) (2 items, 0.1 lin. ft.; dated 2010) comprises a journal copy of SOCIOBIOLOGY (2010 Vol. 56, no. 1) containing a memorial tribute to McMahan, along with a reprint of the piece.