ART21: http://www.art21.org or http://www.pbs.org/art21/
The Drawing Center Viewing Program – database of artists working in the drawing field
artsy.net - database of contemporary working artists
Saatchi Online: www.saatchionline.com
The Jealous Curator: http://www.thejealouscurator.com/blog/
LACMA: http://www.lacma.org/
Hyperallergic: http://hyperallergic.com/
Gagosian Gallery: http://www.gagosian.com/
YouTube: www.youtube.com -videos – MOMA videos, ART21 videos
Art Forum: http://artforum.com contemporary art magazine
Art in America: www.artinamericamagazine.com contemporary art magazine
Juxtapoz Magazine: www.juxtapoz.com contemporary art magazine
Guggenheim: www.guggenheim.org/new-york/collections/collection-online
Museum of Modern Art: www.moma.org/explore/collection/index
The J. Paul Getty Museum: www.getty.edu/art
The Metropolitan Museum of Art: www.metmuseum.org/collections/search-the-collections
National Gallery of Art: www.nga.gov/collection/index.shtm
San Francisco Museum of Modern Art: www.sfmoma.org/explore/collection
Denver Art Museum: www.denverartmuseum.org/collections
Indianapolis Museum of Art: www.imamuseum.org/art/collections/search
Museum of Fine Arts Boston: www.mfa.org/collections
The Cleveland Museum of Art: www.clevelandart.org/art/collection/search