The collection consists of minimally processed material. It is primarily correspondence, with some administrative papers, notes, newspaper clippings and a few personal and family photographs. Some general subject headings are noted in pencil on the outside of the boxes, such as Lepidoptera, Entomology, Zoological nomenclature and Carnegie [Institute]. Correspondents include F. Martin Brown, Jeane D. Gunder, Alexander B. Klots and Charles Lee Remington.