Includes a brief grammar and vocabulary guide to Ixil prepared in 1824 by the parish priest at Nebaj, El Quiché, Guatemala, for his successors. Contains parish accounts, text of the marriage service in Spanish and Ixil, a short catechism with portions in Spanish and Ixil, a short catechism with portions in Spanish and Ixil, and an appended translation of material relating to marriage preliminaries.

Contains a typescript of the publication's introduction and the publication announcement.

Contains a photocopy of a copy of "Calendario de Michoacán" made by Veytia in 1756.

Contains "Prayers and a Tarascan Calendar."

Contains a publication announcement for Maya Society publication no. 15: "The Boturini-Veytia Tarascan Calendars."

Includes additions bearing the names of alcaldes Juan Xol and Carlos Kal, January 18, 1806.

Contains publication announcement for Maya Society publication no. 16: "Doctrina en Langua Kekchí." Contains also a typescript of the publication's introduction.

Contains the publication announcement for Maya Society publication no. 17: "Planetary Calendar in Nahuatl." Contains also a typescript of the publication's introduction.

Contains partial typescript of Maya Society publication no. 19, printers proofs of a document titled "Résumé of the Collection Written by Mr. Gates," and galley prints of Maya Society publication no. 19.

Contains manuscript, possibly Gates' early translation of Diego de Landa's "Yucatan Before and After the Conquest."