Columbia subject headings:
Architecture--Québec (Province)--Designs and plans--Manuscripts--Catalogs.
Blackader-Lauterman Library of Architecture and Art. Canadian Architecture Collection--Catalogs.
Manuscripts, Canadian--Québec (Province)--Montréal--Catalogs.
Nobbs, Percy E. (Percy Erskine), 1875-1964--Archives--Catalogs.
Harvard subject headings:
Architects--Canada
Architectural drawing--20th century--Catalogs.
Architectural drawing--Québec (Province)--Catalogs.
Architecture--Québec (Province)--Designs and plans--Archival resources--Catalogs.
Blackader-Lauterman Library of Architecture and Art. Canadian Architecture Collection--Catalogs.
Manuscripts, Canadian--Québec (Province)--Montréal--Catalogs.
Montréal (Québec)--Archival resources.
Nobbs, Percy Erskine, 1875-1966--Archives--Catalogs.
Princeton subject headings: