0, 1939-1939 Box 32, Folder 31 Bookmark Collection Context Professional Activities, 1920-1957, 1978Lecture Tours…
1927-1929 Box 3, Folder 22 Bookmark Collection Context Additional Material, 1891-1991Visual materials…
1929-1930 Box 3, Folder 23 Bookmark Collection Context Additional Material, 1891-1991Visual materials…