Fonds consists primarily of photographs relating to the Underwood family, 1920-1970. In addition to images documenting family activities and homes, fonds includes photographs taken both locally and overseas relating to the WWII service of brothers Leslie, Ernest, and Ghazi Underwood; letters written by Ernest Underwood from a POW camp; ephemera dating from the end of the war and relating to returning soldiers; and WWII news clippings. Fonds includes school year books, 1955-1985, from Royal Oak High School, Royal Oak Middle School, Claremont High School, and Mount Newton Junior High. Fonds includes scrapbook of items collected by Emily Underwood during WW2 while her husband Leslie, Sr. was overseas, newspapers and periodical issues.

Fonds consists primarily of records relating to the British Army Manoeuvres of 1912; WWI, and Owen Talbot Aspray's military service. Fonds includes photographs; postcards; a journal; diaries; notebooks; training materials; correspondence; news clippings; WWI service book and membership card; book; programmes of post-war commemoration services and reunions; reference material.