Online museum collection catalogs are an excellent source of good quality images with reliable descriptive information. A few examples of local and outstanding major museums are listed here.
Helpful Library of Congress Subject Headings for finding heavily illustrated books and catalogs in the Five College Library Catalog and other library catalogs are:
These sources list thousands of works of art reproduced in hundreds of books. Access is provided by artist, title, and in some cases by subject. Entries usually give information on the size of the reproduction and whether it's in black-and-white or in color.
American Printmakers, 1946-1996. Art Ref NE508 .B76 1999
Black Artist in America. Art Reference N6538.N5T46 1991
Contemporary Art and Artists. Art Reference N6490.P3234
Index to Two-dimensional Art Works. Art Reference N7525.K67
Photography Index. Art Reference TR199.P37
Print Index. Art Reference NE90.P17 1983