Charles Weidman (1901-1975) was a dancer, choreographer, and teacher known for his roles as a member of the Denishawn Company, and later for founding his own companies: the Humphrey-Weidman Concert Company, Theatre Dance Company, and An Expression of Two Arts. The additions to the Charles Weidman papers contain material related to choreographed works he performed with the Theatre Dance Company and An Expression of Two Arts; files representing his time with the Denishawn Dancers; photographs; and scrapbooks.

Jacques Judah Lyons, hazzan, rabbi and community leader, was born in Surinam and emigrated to Philadelphia in the early 1800s. Minister of the New York Congregation Shearith Israel for 38 years, he gathered extensive materials on early Jewish history in the United States, Canada and the West Indies. His papers include manuscripts, newspaper clippings, scrapbooks, notebooks, photographs and a Sansom ship's log book. Contains material relating to Jews in North and South America generally and more specifically to Congregation Shearith Israel and the Jews in New York, the Touro Synagogue and cemetery and the Jews in Newport, Rhode Island, Philadelphia and the West Indies. Also contains material relating to Jews in the wars of the United States, correspondence of the Jews with George Washington and items relating to Haym Salomon. Collection consists of manuscript material and five notebooks and three scrapbooks of Lyons. Contains also material not listed in calendar consisting of sermons by Lyons, a manuscript prayer book used in Surinam and a guide for religious ceremonies at Congregation Shearith Israel, as well as letters written during the Civil War period and correspondence relating to the personal life and career of Lyons.

These records document the history of the New York Chamber of Commerce and Industry, beginning with its establishment in 1768. Tracking the wax and wane of the organization's influence over the next two centuries, the collection provides a first hand account of the Chamber's many contributions to New York City and State business and development. These records exist in a wide variety of formats, such as bulletins, correspondence, minute books, and printed materials.

This collection consists of personal and business papers and memorabilia beginning with a scrapbook created by Philip Walter Henry during his days as a student at R.P.I. through his career as a civil engineer.