Correspondence, Specimen lists, notes, Catalog of Specimens, reports on 1988 and 1990 expeditions, including American Museum of Natural History Ornithological-Biogeographical Expoloration of the Wonegizi Mountains, Lofa County, Liberia March 1990.

Bound sets of field notes and specimen catalogs, some correspondence and printed maps; catalogs and bird lists relating to viral studies. Locations primarily in Mexico, as well as Venezuela, Alaska, New Mexico, Texas, Arizona, Colorado, Minnesota, West Virginia, Kansas, and New York. Some listings of mammals collected or observed.