The records of Zonta International District IV, one of the regional areas of the professional women's executive organization, Zonta International, document the District's organizational activities, publications, events, and clubs.

The historical records of Zonta International, a professional women's executive club, document the organization's activities between 1919 and 1944.

Publications of Zonta International and its Buffalo Chapter including the Zontian (1920-2010) and Zontafax (1920-2010).

This collection contains an eclectic variety of materials collected by Jewish historian, archivist, and bibliographer Zosa Szajkowski (1911-1978). Materials include organizational records, documents, correspondence, periodicals, printed ephemera related to Eastern European Jewish life in France in 1920s and 1930s and on the territories of modern Ukraine, Lithuania, Poland and Russia in the first quarter of the 20th century.

The Zwack and Sons Funeral Home was established in 1894 by John Zwack. In the beginning the business name was Zwack Funeral Home. Then in 1916 his son joined the business changing the name to Zwack & Son Funeral Home, then his other son (Raymond) joined the business, and they changed the name to Zwack & Sons Funeral Home. At some point in time, possibly between 1990 and 2010 the Zwack Funeral Home was taken over by the Scott & Barbieri funeral Home chain , but they continue to keep their original name. This collection contains bills receipts, cemetery plot deeds, and receipt confirmation cards.

The Zwislocki Cochlea Model computer program simulates the response of the Zwislocki Cochlea Model to sinusoidal vibrations applied to the stapes, a small bone in the middle ear.