Journal of Amy L. Lettick recording Benjamin Lettick's daily progress, 1961 October 27 - 1967 December 3, 1990 March 9, undated Box 1, Folder 2-18 Bookmark Collection Context Yale University -Manuscripts and Archives Amy L. Lettick papers, 1920-1988Inventory, 1912, 1935, 1937, 1940, 1955-1990, undated
Kephart, Newell C., Purdue University, 1962-1973, undated Box 2 Bookmark Collection Context Yale University -Manuscripts and Archives Amy L. Lettick papers, 1920-1988Additional Material, 1953-1991, undatedCorrespondence/subject files:
K - R Box 6 Bookmark Collection Context Yale University -Manuscripts and Archives Amy L. Lettick papers, 1920-1988Additional Material, 1953-1991, undatedIndex of main entries:
L, 1947-1949, 1955, undated Box 2 Bookmark Collection Context Yale University -Manuscripts and Archives Amy L. Lettick papers, 1920-1988Additional Material, 1915-1925Personal file:
Ladin, Harvey, 1978, 1986 Box 2 Bookmark Collection Context Yale University -Manuscripts and Archives Amy L. Lettick papers, 1920-1988Additional Material, 1915-1925Personal file:Clippings, miscellaneous:
Lafferty, Perry: radio scripts, 1940-1940 Box 2 Bookmark Collection Context Yale University -Manuscripts and Archives Amy L. Lettick papers, 1920-1988Additional Material, 1915-1925Personal file:
Lecture notes and related material on the care of autistic children, undated Box 2, Folder 34 Bookmark Collection Context Yale University -Manuscripts and Archives Amy L. Lettick papers, 1920-1988Inventory, 1912, 1935, 1937, 1940, 1955-1990, undated
Legislation: fund raising, 1968-1977, n.d Box 2 Bookmark Collection Context Yale University -Manuscripts and Archives Amy L. Lettick papers, 1920-1988Additional Material, 1953-1991, undatedCorrespondence/subject files:
Lettick, Amy (cont'd) - Z Box 5 Bookmark Collection Context Yale University -Manuscripts and Archives Amy L. Lettick papers, 1920-1988Additional Material, 1953-1991, undatedIndex of subject headings:
Lettick, Birney, 1941, undated Box 2 Bookmark Collection Context Yale University -Manuscripts and Archives Amy L. Lettick papers, 1920-1988Additional Material, 1915-1925Personal file:Clippings, miscellaneous: