Reference resources are a good place to begin your research. They can help you:
History of art from ancient to contemporary art and architecture, including images of works of art. Known as Grove Art Online, formerly Dictionary of Art (N31 .D5 1996t, 33 vols. Stauffer Library - Compact Shelving).
Oxford Reference Online - Art and Architecture
Biographical index of artists in Canada (McMann)
N6548 .M29 2003 (SL Reference Collection; also available electronically)
Contemporary art : a very short introduction - e-book
Contemporary art : the essential guide to 200 groundbreaking artists
N7438 .B59 2013 (Art Collection)
Contemporary Canadian artists
N6548 .M65 1997t (Art Collection)
Contemporary women artists (Hillstrom)
N8354 .C66 1999 (SL Reference Collection)
A Dictionary of twentieth-century art (Chilvers)
N6490 .C53 1998t (Art Collection)
Dictionary of women artists (Gaze)
N8354 .D53 1997 2 vols. (SL Reference Collection)
First Nations artists in Canada
E98 .A7 A16t 2001 (SL Reference)
The new A to Z of Canadian art (B. McKendry)
N6540 .M155 2001 (Art Collection non-circulating)
North American women artists of the twentieth century : a biographical dictionary (Heller)
N6503 .N67 1995 (SL Reference Collection)
Important archive of medieval iconography, from Princeton University. Formerly known as Index of Christian Art.
Dictionary of subjects and symbols in art.
N7560 .H34 2008. 2nd ed. (Art Collection non-circulating)