Correspondence [FF24] E. Douglass to E. Courtney April 10, 1930 00537 2001:01:08 10:46:55 mesco 1:Earl Douglass Papers -- 1894-1931 110:Vertebrate Paleontology ? -- 1894-1931 Correspondence [FF24] E. Douglass to E. Courtney April 10, 1930 01140 1980:11:28 09:19:15 mesco 1:Earl Douglass Papers -- 1894-1931 110:Vertebrate Paleontology ? -- 1894-1931 Correspondence [FF24] E. Douglass to E. Courtney April 10, 1930 00526 1980:05:06 02:47:09 mesco 1:Earl Douglass Papers -- 1894-1931 110:Vertebrate Paleontology ? -- 1894-1931