Contains photocopies, typescripts, manuscripts, and notes of texts collected by Gates in various Mesoamerican languages.

Contains photocopies and a notebook of Christian-related texts from Gates' collection of texts in the Tzeltal language.

Contains photocopies and typescripts of Christian-related texts from Gates' collecton of texts in the Tzotzil language.

Contains photocopies of Christian-related texts from Gates' collection of texts in the Tzutuhil language.

Contains photocopies and a typescript of unidentified texts from Gates' collection of texts in native languages.

Contains photocopies and a typescript of Christian-related texts from Gates' collection of texts in the Zapotec language.

Contains photocopies of Christian texts from Gates' collection of texts in the Zoque language.

Contains hand-written, typed, and photographic notes on various Mesoamerican codices and glyphs in addition to an extensive card file for glyph identification. The notes were compiled by Gates both in the field and in California and Baltimore between the years 1898 and 1940.

Contains notes, compiled by Gates between 1898 and 1940, on the grammars and vocabularies of various Mesoamerican languages including Tzeltal, Quiché, Maya, and Motul.

Contains Gates' research notes, produced both in the field (Southern Mexico and Guatemala) and in Baltimore and California, between the years 1898 and 1940, on various codices, early Mesoamerican vocabularies and grammatical studies, as well as astrological and calindrical studies. Many of the notes are in organized into lengthy charts and tables.