Cameron, Christina and Jim Taylor. Langevin Block, 50 Wellington Street, Ottawa, Ontario. [Ottawa]: Historic Sites and Monuments Board of Canada, [1977?].
Canada. Dept. of Public Works. Annual Report of the Minister of Public Works for the fiscal year 1883-84. Ottawa: Maclean, Roger & Co., 1884.
Canada. Parliament. House of Commons. Official Report of the Debates of the House of Commons of the Dominion of Canada. Fifth Parliament, first session, Vol. 14 (April 30, 1883). Ottawa: Maclean, Roger & Co., 1883.
Canada. Parliament. House of Commons. Official Report of the Debates of the House of Commons of the Dominion of Canada. Eighth Parliament, fourth session, Vol. 50 (August 5, 1899). Ottawa: S.E. Dawson, 1883.
Canada. Parliament. House of Commons. Select Standing Committee on Public Accounts. Reports, Minutes of Evidence and Exhibits in connection with the Langevin Block, 1891. Ottawa: Brown Chamberlin, 1891.
“Departmental Building: How it is proposed that it shall be built” Daily Citizen, August 25, 1883.
Doull, Ian. Langevin Block, Ottawa, Ontario. Building Report no. 87-040. [Ottawa]: Federal Heritage Buildings Review Office, [1987?].
Gwyn, Sandra. The Private Capital : Ambition and Love in the Age of Macdonald and Laurier. Toronto: McClelland and Stewart Limited, 1984.
Jen, Shirley and Brian Cooke. Langevin Building (also known as Langevin Block). Ottawa: Public Works Canada, National Capital Region, 1994.
Maitland, Leslie and Louis Taylor. Historical Sketches of Ottawa. Peterborough, Ont. : Broadview Press, 1990.
Mattie, Joan I. The Langevin Block : a History of its Style, its Architect, its Construction and Restoration, and its Environment. Honours Research Essay, Carleton University,1977.
Miska and Gale Architects. Langevin Block : a Building Condition Report. Ottawa: Miska and Gale Architects, 1972.
Sailman, Wendy. “New life for an old building: Langevin Block = Vie nouvelle pour un vieil édifice: Édifice Langevin” The Dispatch = La Dépêche, (Winter/hiver 1975), pp. 2,8-14.
“Sounding board : preserving a national treasure = À l’écoute : la restauration d’un trésor national” Entre nous, (June/juin 1993), pp. 9-10.
Villeneuve, David and Lynette Oates. “We take a look at 3 of the buildings that house PCO = Coup d’oeil sur trois des édifices qui abritent les services du BCP” Entre nous, (Spring-Summer/printemps-été 1997), pp. 8-9.
Woods, Jr., Shirley E. Ottawa: the Capital of Canada. Toronto: Doubleday Canada, 1980.
Wright, Janet. Crown Assets: the Architecture of the Department of Public Works, 1867-1967. Toronto: University of Toronto Press, 1997.