Collection comprises two separate series of items. The first are the architectural drawings that were created for the contests for both the city of Kitchener city hall and municipal buildings. These plans were created by W.H.E. Schmalz and others. The rest of the collection comprises materials created by W.H.E. Schmalz both when he was a student and a professional architect. Includes primarily maps, architectural drawings and art work.

One register book kept by the Ontario Association of Architects for the years 1890-1899. The book lists dues paid by each member of the association as well as money received for exam fees, filing articles, student fees and more. Also includes one item of correspondence from Mills & Hutton, architects asking the secretary for information on rates for architectural work. The register was kept by William R. Gregg.

One proposed plan for a home and 1/4 acre vegetable garden called Kitchener Park, designed by Landscape Architect John H. Melady.

The Jim Guy collection consists of materials accumulated by Jim Guy relating to his family home at 110 John Boulevard in the Westmount region of Waterloo. Includes architectural plans and specifications as well as home movies and slides showing the home and surrounding area.

Materials created or accumulated by the Reive Family, especially Dr. Wilfred G. Reive and Mabel M. Reive during the moving, purchasing, design, and construction of their family home at 178 Claremont Avenue. Includes invoices and cheques, architectural drawings, and family photographs.

This collection, donated to the University of Waterloo in 1988 by the family of the late Rosa Breithaupt Hewetson Clark and Spencer Clark, includes family papers from three families, the Breithaupt family, the Hewetson family, and the Clark family; records from the Guild of All Arts in Scarborough, Ontario, founded by Rosa Breithaupt Hewetson Clark and Spencer Clark; and several smaller collections acquired by the Breithaupt family and by Spencer Clark. The personal library of Spencer Clark, which includes many books, periodicals, government documents, and ephemeral items, was donated together with the archival collections, and is particularly strong in the fields of urban planning, architecture, and Canadian art.

File consists of three architectural drawings of the building of the Berlin [Kitchener] Y.M.C.A. at 22 Queen Street North. Includes a side elevation, main and upper floor plans, and details of the locker room.