Business files (minutes, financial records, hearing records, circuit records, school and missionary society records of individual churches of the Conference); correspondence; memorabilia; and printed material.

Papers of a Kingston, New York family include correspondence (1740-1930); account books (1768-1770); a daybook (1758-1779); ledgers (1776, 1791-1808); journals, diaries, family Bibles, legal papers (1753-1804), and memorabilia. The bulk of the collection consists of business records of Cornelius Wynkoop and his sons, Cornelius C. Wynkoop and John C. Wynkoop.

Letter from Reverend W. W. Fisher of Palmyra, New York, to E. B. Walsworth, giving details of a brutal attack on a local mixed-race couple by one Schuyler Parshall and several accomplices.

Material relating to Equal Rights Ammendment and other women's issues, chiefly from New York state with some material from Florida.

Journal kept by woman running a farm in an unidentified location in Onondaga County, New York (possibly Popmpey)

Microfilm, xeroxed materials, bound volume, relating to the Woestina Dutch Reformed Church in Rotterdam, New York.

Correspondence between the American geologist and Stephen Van Rensselaer, about Mather's intention to join a geological survey of the state of New York.

Papers of the American lawyer, legislator. Republican member of the U.S. House of Representatives from New York, 1941-1943; U.S. Ambassador to the Dominican Republic, 1950s. Collection contains correspondence, articles, clippings, legislative records, photographs, and speeches related to Pheiffer's legal career and legislative term, the Republican National Committee, the Eisenhower campaign, and the Dominican Republic.

Papers of the New York State governor (1913), congressional representative (1895-1913), lawyer. Collection includes mostly outgoing letters, a few of which (Eugene Brewster, Everett Wheeler) refer to Tammany Hall and the impeachment proceedings against the then-Governor. Also a group of 11 incoming letters is in connection with a dinner given by Sulzer in honor of Perry Belmont.

American journalist, editor. Collection includes correspondence, photographs, printed material, scrapbooks, memorabilia.