Collection contains:
Framed painting and photographs
Wedding announcement
Bill of Fare
Series of horse equipment artifacts

These records were collected by members of the Hart family while researching their family history. They include family letters, telegrams, research notes, pedigree charts, newspaper clippings, and outlines of biographical sketches of Joseph William Hart, Minnie Blanche Hart, Dorothy Hart, Charlotte Robertson Hart, James Gilbert Hart, and William Edward Hart.

This fonds contains material related to the history of Ministers Island. It includes a transcription of an interview with Wade Veinotte, who used to work on the island, as well as reports, feasibility studies, and development plans related to proposals to turn Ministers Island into a Provincial Park or other cultural resource, essays on the history of the island or the Van Horne family, photocopies of historic publications on the Van Horne family property and Sir William Van Horne, a booklet for an exhibition of paintings by Cathy Ross of artifacts belonging to the Van Horne family on Ministers Island, and transcriptions of original legal documents and correspondence related to the first European occupants of Ministers Island, John Hanson and his family.

This collection consists of documents concerning Sir William Van Horne and his estate on Minister's Island, including grants and deeds, account books, drawings, correspondence, news clippings, Sir William Van Horne's will, and architectural plans.

This collection consists of account books whose creators are unknown.