Clarke,Irwin The ancestral roof domestic architecture of upper Canada / [[Book] :] Irwin clarke & company limited. - Toronto : Clarke,Irwin, 1963. - 258 p. : ill., plan ; 27 cm. Subjects--Topical Terms: Architecture canadienne--Histoire.Toiture--Histoire.--Canada Dewey Class. No.: 917.1331 National Library of Medicine Call No.: 917.1331 / C A