General Correspondence, Incoming and Outgoing, 1898-1901, 1905-1945. Arranged alphabetically.

Most of this correspondence was written or received by Charles W. Gilmore. Correspondence is with scientific colleagues working with federal and local governmental agencies, universities, and other museums, museum directors, collectors of fossil specimens, editors, scientific illustrators, scientific societies, Smithsonian administrators and Division staff members; concerning identification and examination of fossils, shipment of fossil specimens, purchasing of fossil specimens, location of fossils, requests for fossil skeletons and photographs of fossils, recommendations for job openings, recommendations for grants, recommendations for membership to professional scientific societies, publication of scientific articles, requests for Gilmore's reprints, and requests for Division reports.