This volume is a dictionary of the Mohawk language. Contains Biblical and religious texts, with interlinear translation in German of Mohawk; lists of words, classified by subject (animals, etc.); paradigms; unorganized German words with Mohawk equivalents. Preceded by alphabetical index of German words, with references to pages where equivalents are used.

In the hand of an unknown author, this is a history of the Natchez Indians written at Natchez in November 1840.

A volume of sermons.

This volume records Onondaga words and their usages. Prepositions discussed and exemplified in alphabetical order by the German.

This volume is the fifth part of a life of Jesus from Passion Week to Ascension, compiled from Gospel sources and translated from the German into the Delaware Indian language by Roth, who was a Moravian missionary at Sheshequim on the Susquehanna River. The manuscript was discovered in the house of Roth's son, Rev. John Rhodes, in 1831. Fly-leaf title: "Ein versuch, etc. The History of our Lord and Saviour Jesus Christ from Passion Week to his Ascension to Heaven. Translated into the Unami Dialect of the Delaware Language in the years 1770 and 1772 at Tschektschequamink on the Susquehannah ... Translated by Mr. Rhodes."

A grammar, based on a Latin model. Prepared from original then in Library of United Brethren, Bethlehem. It is a description of the Delaware language and lists words and their corresponding meanings.

Cakchiquel language texts. Contains statement of doctrine, catechism, confessional, brief religious discourses, as well as a grammar of the Cakchiquel.

In October 1719, the Yearly Meeting of the Society of Friends for Philadelphia and the Jersies reached consensus on a "book of discipline" governing the "establishment and order of meetings." The regulations covered both the conduct of the Quarterly and Monthly Meetings and the personal comportment of individual members, refining the bureaucratic structure of the meetings and laying out the powers of Overseers and other officials. It touches upon marriage (mandating endogamy), burial, and attendance at meetings, and cautions Friends to plainness of speech and dress, drinking, smoking, backbiting, and gaming. This version of the Book of Discipline is a manuscript copy made for the American Philosophical Society in 1820 "from and antient Copy in the possession of Timothy Matlack, Esqr."

A Sachem and Civil War adjutant to Ulysses Grant, Ely Samuel Parker was an important figure in the Seneca Indian nation during the first half of the nineteenth century. Trained as an engineer, Parker was deeply involved in the Senecas' land disputes with the Ogden Land Company and he played an important role in interpreting Seneca culture for a white audience, most notably as a consultant for Lewis Henry Morgan. Collected by Arthur C. Parker, the Ely Samuel Parker Papers include correspondence, manuscripts, and printed materials relating primarily to Seneca affairs, history, language, and culture, as well as politics, education, engineering, and the Civil War. Among Parker's correspondents were Henry Clay, Millard Fillmore, Henry M. Flagler, Lewis Henry Morgan, Henry Rowe Schoolcraft, Daniel Webster, and Asher Wright. Several letters relate to Parker's service as engineer of public buildings in Galena, Illinois, and to his Masonic activities. Among the noteworthy items in the collection are several essays on Seneca history and culture, a fragment of Parker's diary, 1847, and a significant quantity of material on the Seneca language assembled by Asher Wright.

The papers include miscellaneous letters, letterbooks, books, certificates, and diplomas of various members of the Muhlenberg family. Among them are photostats of letters and papers of General John Peter Gabriel Muhlenberg and officers of the Continental Army on military affairs in the Southern Department during the American Revolution (1772-1804); photostats of letters to Albert Gallatin, Nathanael Greene, Edward Hand, Winthrop Sargent, Baron von Steuben, William Alexander, and George Washington; photostat of General Muhlenberg's journal of trips to the Ohio (1784, 1797); photostats of letters and notes of Gotthilf H. E. Muhlenberg, including a diary kept at Halle (1771) and extracts of thirty letters to Stephen Elliott of Beaufort and Charleston, South Carolina (1808-1815); photostats of letters of Henry A. Muhlenberg about his biography of General Muhlenberg (1848-1849); and photostats of letters of Henry Melchior Muhlenberg (1711-1787). Also included is an original letterbook of Peter Muhlenberg, paymaster of the United States Army, kept at Augusta and Savannah, Georgia (1836-1842). Henry Muhlenberg's notebooks (1784-1813), written in Latin or German script, in a small hand, includes a wealth of botanical observations, with a focus on Lancaster, Pennsylvania. The Henry Muhlenberg journals are a record of daily occurrences, with many features of a commonplace book, containing prescriptions, notes of questions asked candidates for the Lutheran ministry, and the plan of a barn. There is also a biographical account of Rev. Henry Melchior Muhlenberg (1711-1787).