WORLD ART DIRECTORY.COM
http://www.worldartdirectory.com/

MARK HARDEN’S ARTCHIVE
http://www.artchive.com

ARTCYCLOPEDIA: FINE ART SEARCH ENGINE
http://www.artcyclopedia.com

D’ART-THE INTERNET ART DATABASE
http://dart.fine-art.com

DICTIONARY OF ART HISTORIANS: A BIOGRAPHICAL DICTIONARY OF HISTORIANS, MUSEUM DIRECTORS AND SCHOLARS OF ART
http://www.dictionaryofarthistorians.org

DIGITAL ARCHIVE OF ARCHITECTURE
http://www.bc.edu/bc_org/avp/cas/fnart/arch/

GETTY PROVENANCE INDEX DATABASES
http://www.getty.edu/research/conducting_research/provenance_index/

GUGGENHEIM MUSEUM
https://www.guggenheim.org/

IMAGEBASE
http://imagebase.lib.vt.edu

INTERNATIONAL DADA ARCHIVE
http://www.lib.uiowa.edu/dada/

INTERNATIONAL ROCK ART DATABASE
http://www.cs.unm.edu/~brayer/rock/general.html

INTERPOL’S STOLEN WORKS OF ART
http://www.interpol.int/Public/WorkOfArt/Default.asp

J. PAUL GETTY MUSEUM
http://www.getty.edu

LOUVRE MUSEUM
http://www.louvre.fr/llv/commun/index.jsp

METROPOLITAN MUSEUM OF ART
http://www.metmuseum.org/home.asp

NATIONAL GALLERY OF ART
http://www.nga.gov

NATIONAL MUSEUM OF WOMEN IN ARTS
http://www.nmwa.org

NEW YORK MUSEUM OF MODERN ART
http://www.moma.org

OKLAHOMA CITY MUSEUM OF ART
http://www.okcmoa.com/

PEABODY ESSEX MUSEUM
http://www.pem.org/homepage/

PHOTOGRAPHY COLLECTIONS ONLINE
https://www.eastman.org/search-collections

TIMELINE OF ART HISTORY
http://www.identifythisart.com/timeline-of-art-history/

WHITNEY MUSEUM OF AMERICAN ART
http://www.whitney.org