Art and Art History 

Wrestlers by Carl Roseberg

American Memory A gateway to primary source materials regarding the history of the United States.Over nine million items are available through this project, including an image database with many decorative arts images.

ArchNet Digital Library Images from architects, designers, and artists with a focus on Islamic architecture.

Bridgeman Art Library Commercial database with thousands of images including fine art, maps, antiques, architecture and ceramics.

CGFA Extensive collection of images: searchable by artist or time frame, and includes biographical information on most artists.

d'Art: Internet Art Database Commercial resource which features thousands of artists including images of artwork for sale. (Useful for researching contemporary working artists)

ImageBase A searchable image and text database of objects (over 100,000) from the collections of the Fine Arts Museums of San Francisco.

Mark Harden's Artchive Over 200 artists images are avilable, with many also accompanied by criticism.

New York Public Library Digital Gallery Thousands of images of drawing, illuminated manuscripts, maps, photographs, posters, prints and more.

SITO Artchive A free website for artists around the world to store their portfolios. Over 20,000 contemporary art and scultpture images from over 900 artists.

Web Gallery of Art A virtual museum and searchable database of European painting and sculpture of the Gothic, Renaissance, Baroque, Neoclassicism and Romanticism periods (1100-1850), currently containing over 20,000 reproductions.

WebMuseum Thousands of images from famous artists.