Contains a mock-up, drawings and graphics, manuscripts, and galley prints related to the Maya Society Quarterly, a 1931-1932 project that predates the Maya Society's most common practice of periodic publishing of Mesoamerican studies.

Contains materials related to the publication of the twenty-two official publications of the Maya Society, as well as periodicals and other output of the society. Materials date from between 1930 and 1940.

Contains items from the years 1930 to 1940 relating to unpublished materials of the Maya Society.

Photocopy of a typescript. This paper was delivered at the Mesoamerican seminar at Brigham Young University on 19 Feb. 1976.

Typewritten and handwritten correspondence. The materials are to and from various archaeologists at numerous universities and colleges in the United States. Sorenson corresponds about issues relating to the Indians of South and Central America and the archaeolgy of those regions.

Photographs, newspaper and magazine articles, correspondence, research notes, and drafts for publications. The collection relates to the archaeology and history of Central and South America and how the cultures of these areas compare with other regions of the world.

Contains correspondence between Gates and book dealers and colleagues. Most of the materials relate to Gates efforts to either sell or purchase publications for his Mesoamerican research. Materials date from between 1899 and 1947.

Contains photocopies, typescripts, and manuscripts from Gates' collection of ethnohistorical materials in European languages, primarily Spanish with some German and English texts.

Contains writings related to Gates' institutional affiliations with the Aryan Theosophical Society, the San Diego Museum, and the Department of Middle American Research at Tulane University. While his work with the Department of Middle American Research at Tulane University was directly related to the study of Mesoamerica, Gates' affiliations with the Aryan Theosophical Society and the San Diego Museum were not related to the study of Mesoamerica.

Contains notes, reports, and other materials related to Gates' work with the Department of Middle American Research at Tulane University. Includes information on the history and archaeology of Guatemala, as well as to the contemporary situation in the region. Most prevalent are documents relating to Tulane's 1925 agricultural survey of the Southern Mexican state of Tabasco. Materials date from between approximately 1920 and 1926.