UIUC Online Collection
The artnet Price Database is the most comprehensive color illustrated archive of fine art auction results worldwide. Representing auction results from over 500 international auction houses since 1985, the Price Database covers more than 4 million auction results by over 188,000 artists, ranging from Old Masters to Contemporary Art.

Oak Street
Arranged alphabetically by artist within classified chapters: engravings, drawings, watercolors, paintings, sculpture. The index lists chronologically the reported sales in Europe and the U.S.