This volume is an elementary treatise written by an unknown author in the late 18th century.

The Grammar and Vocabulary of the Tamil Language includes a list of words and phrases in Tamil, with English equivalents, a list of English words for which equivalents were not established, and grammatical notes on Tamil, with phonetic transcriptions.

Book of detailed watercolor and ink drawings of the geological strata, probably New York state, and of the fossil remains of mollusks found in the formations.

This incomplete volume contains an alphabetical list of family names, with some colored sketches of coats of arms.

This volume was kept by a student at West Nottingham Academy and contains problems in algebra.

This volume is chiefly devoted to problems involving fractions, as well as a smaller section on geometrical proportions.

This volume includes definitions and problems on parabola, ellipse, and hyperbola.

This is a detailed description, in an unknown hand, of the fair, with information concerning the lay-out and structures and listings of the various exhibits constructed by the United States and other countries.

This volume includes prescriptions for various complaints, such as epilepsy, hemorrhoids, and ringworm.

This journal is by an unknown author and records a vacation spent on Cape Cod in 1895 and in Nova Scotia the following year.

This volume contains descriptions of coats of arms, including Benjamin Franklin's. The Franklin inscription is a forgery. At the end of this volume is a note and a printed map relating to the Mason and Dixon survey, taken from the "Philosophical Transactions."

These are 94 pages of notes, by an unknown author, pertaining to the first and second classes of zoology.

The anonymous compiler of the Vocabulaire Chacta, ca.1820, gathered 149 elementary words in the Choctaw language with French equivalents, the basic numerals, and six "useful" (if not always appropriate) phrases. Arranged alphabetically by French. The notebook was donated to the American Philosophical Society by Peter Stephen Du Ponceau in 1827.

Sak and Fox words with their English equivalents. A note inside the back cover states "C.S.F. to Mrs. S.," asking her to excuse the "erroz in Spelling They are not mind (sic.). written on the night of my return from a memorable Expedition."

This is a manuscript dictionary, apparently of the Mandingo language, with latin equivalents.

This is a circa eighteenth-century copybook with problems and illustrations in algebra and geometry. There are sections on extraction of the cube root, geometrical definitions of lines and angles, and first rudiments and preparatory problems in plane geometry.

This volume contains "solutions of the practical problems in [John] Gummere's astronomy."

This item, by an unknown author, presents an astronomical sketch of eclipses, some of which could be seen from Philadelphia and Canton, China.

This volume, written by an unknown author, describes general principles of physics, with numerous sketches illustrating the text. There are a few notations in Spanish by Juan Bastolleros.