Correspondence [FF23] E. Douglass to O.A. Peterson April 19, 1927 00529 2001:01:08 10:46:53 mesco 1:Earl Douglass Papers -- 1894-1931 110:Vertebrate Paleontology ? -- 1894-1931 Correspondence [FF23] E. Douglass to O.A. Peterson April 19, 1927 01132 1980:11:28 09:17:36 mesco 1:Earl Douglass Papers -- 1894-1931 110:Vertebrate Paleontology ? -- 1894-1931 Correspondence [FF23] E. Douglass to O.A. Peterson April 19, 1927 00518 1980:05:06 02:42:26 mesco 1:Earl Douglass Papers -- 1894-1931 110:Vertebrate Paleontology ? -- 1894-1931