Contains lists of members from 1862 to 1880, the printed constitution of the Society, and newspaper accounts of deceased members. Beginning with 28 February 1874, the minutes are reports of meetings clipped from newspapers, with manuscript additions.

Principally on bees and bee-keeping, especially correspondence and official documentation relating to Langstroth's efforts to win legal recognition of his invention of the movable-frame beehive. There are also fragments of an autobiography, newspaper clippings and pamphlets. Correspondents include editors of bee journals, and manufacturers and suppliers of materials for apiaries, as well as other apiarists. Some items of personal correspondence are also included in the collection.

This scrapbook includes news clippings about Rowland's career at Johns Hopkins University, and his inventions, lectures, public services, and family events.

This collection includes correspondence of William E. Lingelbach, briefs, news accounts, etc., concerning the Clark documents that had belonged to General John Hammond and which were turned over to the Minnesota Historical Society in 1953, resulting in litigation concerning ownership.

This collection centers on Brown's geological investigations in various areas of Scotland and England concerning fossils, geological formations, deposits, etc. His activity in the Edinburgh Geological Society is documented in the letters and in newspaper clippings. Several of the letters contain diagrams, also geological maps (manuscript and printed) of Edinburgh and its environs, drawn by Charles Lapworth.

This volume includes several printed and manuscript items related to the death of Caspar Wistar, in January 1818.

The collection is divided into two series. The first contains disparate letters from Airy relating to his publications and his position as Astronomer Royal of England, with mentions of topics such as: electrical experiments, magnets, Observatoire de Paris, stars, and telescopes. Correspondents in this series include: Edward Wedlake Brayley, James Challis, Alexander S. Herschel, Balfour Stewart, Septimus Tebay, John Washington. The second series features a group of documents put together by George May of the Harton Colliery at South Shields (1889) relating to Airy's pendulum experiments at Harton Pit in 1854 to measure the density of the earth.

This collection pertains principally to the Cherokees of North Carolina and Oklahoma and to their language, ethnography, folklore, archeology, history, music, etc. Includes Indian studies and correspondence by Gillespie, notes on Indian dances and linguistics, bibliographies, publications of the Archaeological Society of Brigham Young University, and newspaper clippings. Also comprised of materials on: Apache, Calusa, Chippewa, Choctaw, Delaware, Eskimo, Fox, Iroquois, Karankawa, Kuchin, Louchens, Mattaponi, Muskogee, Navajo, Onondaga, Pueblo, Sauk, Seminole, Seneca, Shawnee, Sioux, Slave, Timucua, Tuscarora, Tutelo, and Wyandot. Contains: Gillespie, "A grammar of western dialect of Cherokee language of the Iroquoian family," 1949-1954 (131 pages); "Miscellaneous material on the Cherokee Indians and language"; "Miscellaneous items pertaining to the American Indian."

This collection includes correspondence, articles, newsclippings, photographs, and recordings, concerning Menzel's documentation of UFOs as natural phenomena explainable in scientific terms. One can find material on the National Investigation Committee on Aerial Phenomena, Project Blue Book, the Velikovsky controversy, and a card file of meteor activity, 1946-1961.

This collection includes newspaper clippings, postal cards, typed copies of letters, photographs of portraits, reprints of articles, materials from the John Bartram Association (which preserves the Bartram house and garden in Philadelphia), typed notes from Bartram's letters and journals, and typed copies of letters in re Bartram. There is also a genealogy prepared by West, and a biography of George Washington Bartram by John Hines Pitman (typescript).

These papers include diaries (1777-1782), expense books (1794-1804), notebooks, a commonplace book, drafts of essays, excerpts from minutes of Friends' Monthly Meeting, Tortola (1741-1761), newspaper clippings, sketches, and correspondence. Also included are letters and papers of Mrs. Thornton.

Material collected by Muriel Rukeyser in the late 1940s and 1950s for a proposed biography of Franz Boas, including original manuscript materials of Boas, correspondence between Boas and Rukeyser, biographical data, early family letters and documents relating to him, school and military records, family reminiscences of Boas, and some professional correspondence. There is also material specifically related to the publication of Rukeyser's biography, including notes, a synopsis of the book, and correspondence with publishers and funding agencies. There are also some of Boas' and others' publications.

The manuscripts of father William Mitchell and daughter Maria Mitchell are not easily separated, and are treated here together. The collection includes William Mitchell's autobiography, his memoir of Judge Walter Folger of Nantucket, astronomical and meteorological observations, lectures, family and other correspondence.

An anthropologist and student of Native American cultures, Elisabeth Tooker devoted a long career, much of it as a professor at Temple University, to study of the culture and ethnohistory of the Haudenosaunee of New York State. The Tooker Papers is arranged in six series, and contain her correspondence, subject files, research notes, and both published and unpublished papers.

After a brief career in the Congregational church, J. Peter Lesley (1819-1903) left the ministry in 1852 to work full-time as a geologist. Having gained experience in structural geology and stratigraphy with the First Pennsylvania Geological Survey (1836-1842), Lesley became an expert in the geology of coal, working for the Pennsylvania Railroad and other corporations and conducting some of the first systematic studies of the state's hydrocarbon resources. A long-time professor at the University of Pennsylvania, he was elected to the APS in 1856, serving variously as its librarian, secretary, and vice president, and he was selected as Director of the Second Pennsylvania Geological Survey (1875-1889). The Lesley Papers include letters to and from Peter Lesley and his wife, Susan on geology, coal and iron mining, abolition, educational reform, organized charity, and Unitarianism. The collection offers important insight into academic and applied geology in late 19th century Pennsylvania, the development of the coal and iron industries, as well as into the Lesleys' progressive social and intellectual milieu. It is divided into three series: Lesley's general correspondence, his correspondence with his brother Joseph, and microfilms of Lesley's research notes.

Robert Cushman Murphy (1887-1973), one of the twentieth century's great ornithologists, was curator of mammals and birds at the Brooklyn Museum (1911-1917) and was curator of birds and later chairman of birds at the American Museum of Natural History (1917-1973). The world's foremost authority on sea birds, in 1936, he penned Oceanic Birds of South America, a two volume set. An ardent traveler and explorer, he kept copious notes of his travels, which he typed up, illustrated and had bound. The APS library owns forty-two bound journals. Murphy was made an APS member in 1946. A pioneer in the study of the ecology, a louse, fish, plant, lizard, an Antarctic inlet, spider, and two mountains have acquired his name. This collection contains diaries, journals, articles, addresses and observations of Murph;, generously illustrated with newspaper clippings, photographs, letters, sketches, maps, and charts.