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.

William Paterson Van Rensselaer (1805-1872) was born to General Stephen and Cornelia Paterson Van Rensselaer in the Manor House in Albany, New York. Van Rensselaer became an attorney, and married twice, having nine children. This collection includes correspondence, property records, financial records, and estate records.

Papers, land records, of the Ten Eyck Family chiefly re: to the Coeymans Patent, Town of Coeymans, Albany County, New York

The Ten Eyck/Bronk Family Papers contain the records of the descendants of Jacob C. Ten Eyck (1705-1793), and primarily contain documents relating to family property and financial concerns.

Robert B. Rutgers was the husband of Cornelia Van Rensselaer. The materials include correspondence regarding their (at the time) proposed marriage. Other papers include a bond and indentures.

The Pruyn Family Papers contains documents relating to three consecutive generations of the John Pruyn Family, along with genealogies and personal papers of more distant family relations. An autograph collection of presidents, statesmen, and local historic figures is included. The ownership of 43-45 North Pearl Street is documented from the first sale in 1679 to the last in 1968. The estates of Eleanor Erving, Justine Bayard Erving and Van Rensselaer Pruyn are also documented.

Henry Van Houten Onderdonk (1815-1886) was born to Peter and Eleanor Chatterton Onderdonk. He married twice and had five children with his second wife, Sarah Potter Mitchell Onderdonk.

Leonard Gansevoort, Jr. (1754-1834) was a lawyer, served the American cause during the Revolutionary War, was a member and later secretary of the Albany Commissioners for Detecting and Defeating Conspiracies, and served on Albany Council Committees for many years.

The Hun family were descendants of 17th century Dutch settlers who became prominent and acquired property in and around the Albany area. This collection includes family papers.

Harry Douglas Yates (1903-1996) was a banker, politician, and developed the Dutch Village apartment complex in Menands, New York. This collection contains diaries, correspondence, deeds, scrapbooks, and other related papers.