Columbia subject headings:
Canada--In art--Exhibitions.
O'Brien, L. R. (Lucius Richard), 1832-1899--Exhibitions.
Harvard subject headings:
Canada--In art--Exhibitions.
O'Brien, L. R, (Lucius Richard), 1832-1899--Exhibitions.
Princeton subject headings:
Canada--In art--Exhibitions.
O'Brien, L. R. (Lucius Richard), 1832-1899--Exhibitions.