These papers include correspondence, legal documents, financial records, family material, maps and plats, pictures, printed materials, diaires, and journals of geological expeditions. Also included are undated materials.

This collection includes field notes and reports, diaries of expeditions, texts, grammars, dictionaries of Indian languages, theses and research papers collected by members of the Department of Anthropology of the University of Chicago in connection with the Carnegie Institution of Washington Middle American Research Program as well as various Middle American governmental agencies. A microfilm publication of the University of Chicago, 1946-1957. Table of contents available.