The collection consists of thirteen bound reports (and two addenda) of building specifications - heating and ventilation, architectural, and plumbing - for the following buildings: Chemistry (additions), Biological Sciences (additions), Men's Residence (Block 3), University Social Centre and Faculty Club, International House, and the New Arts Building Group (later the Buchanan Building). The reports were each prepared by either the mechanical engineering consulting firm of C.W. Thomson & Company Ltd, the University's architects Thompson, Berwick & Pratt, or Fred Lasserre, Koyander & Wright - Associated Architects.