"The Heritability of Hang-up" by Feldman, M.W. and Lewontin, R.C, 1975

"The Heritability of Hang-up" by Feldman, M.W. and Lewontin, R.C, 1975, Box: 3, Folder: 41. Personal papers of John "Jack" A. Weir, PP 404. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/261301 Accessed March 05, 2026.