Materials related to Clare Clark and Harold Clark. Includes photographs of their lives, materials related to the funeral of Harold Clark, an invitation to their fiftieth wedding anniversary, speech "Towards better communities. Address of president W. Harold Clark to National conference Community Planning Association of Canada" (October 6, 1950). Also contains a published copy of the QAAL Newsletter (Fall/Winter 2009) with an article in celebration of the life and work of Alan Thomas and materials related to Annswell Park in the town of Markham.