The fonds consists of correspondence, notebooks, research papers and reprints of articles by friends and colleagues. Of particular note is correspondence with Sir Ernest Rutherford, 1908-1937. Also included are Gray's stamp collection and a ledger kept by W.M. Herchmer and John R. Forsyth for the estate of Major Alexander Forbes, army officer, Kingston, Ontario. April 1851-1852, and notes on Forbes' military career made by Professor J.D. Forbes, that was acquired and retained by Gray.

The collection consists of pictures taken by an unknown photographer, or photographers, in Kingston and the surrounding area, around the turn of the twentieth century. The photos show local landmarks such as Kingston City Hall, Kingston homes, Kingston Mills, Martello Towers and Jones Falls. Also included are photographs of the Royal Canadian Horse Artillery, men, horses and guns. Steam vessels such as the Rideau Queen, the Toronto and even pleasure sail boats, ice boats and quite a number of pictures of canoes and canoeists are included along with pictures taken at or near the Kingston Yacht Club. There are many pictures of as yet unidentified individuals in various poses including family scenes, picnics and fishermen. Another sizable lot of pictures were taken away from Kingston at various sites that have yet to be identified. One series were shot in what looks like a summer resort area and several others are of cities or a city yet to be identified.

File contains photos and postcards depicting scenes from Kingston and the area.

Photographs showing: Peter Lee and family; his Grand Gardens night club in Montreal; group picture of the memorial service for Dr. Sun Yat Sen, 12 April 1925; the first Chinese baby born in Kingston, 1923; Grand Cafe interior, 222 Princess St.; and views of Princess Street buildings in the 1920's.

Section of map H1/400 of the Newlands Collection. Map shows Kingston, Storrington, Barriefield etc.

The collection consists of cartes de visite of seven individuals (presumably affiliated with Knox Collecge in Toronto). Includes images of Rev. William Cavan, Dr. John Taylor, Michael Willis, Robert Baldwin, Dr. Burns, Rev. Ph. Brooks and Alfred H. Dymond.

File contains lantern slides for a lecture on art from the antiquities to the Renaissance.

File contains lantern slides for a lecture on theatre.

Item is a photograph of a group photo of the staff and employees of the tannery. Most individuals are identified on a listing attached to photo.

Group photo of the staff of the Kingston Penitentiary, two of which are mounted on horseback.