Krey, August Charles, 1887-1961. 4 folders: 423 letters and reports about a 1932-1935 study of the teaching of social studies in US schools /repositories/5/archival_objects/1017976 1 box 1932-1934 1932 /repositories/5/archival_objects/1026746 1 folder 1932 112 1 1933 /repositories/5/archival_objects/1026747 1 folder 1933 112 2 1934 /repositories/5/archival_objects/1026748 1 folder 1934 112 3 1935-1938 /repositories/5/archival_objects/1026749 1 folder undated 112 4