Division of Invertebrate Zoology

Papers from Gertsch's career at AMNH. Mostly correspondence, personal and general; however, the collection also includes expense accounts, specimen work list, drawings, and expeditions.

Papers from after Gertsch's retirement from AMNH. Includes correspondence, personal and general; specimen work list; drawings for publications; manuscripts both published and unpublished; expedition and travel files.

Collection consists of specimen lists, correspondence, locality lists for spiders, descriptions of specimens, field work and expedition notes, drawings, bibliographies, and a miscellaneous research folder (papers, photographs, newspaper clippings, etc.).