ARTstor is the ultimate image collection, containing hundreds of thousands of images covering art, architecture, archeology, and history. Useful for research not only in the arts, but in social history, sociology, and history.
An online collection of resources and primary documents. Resources are organized into different collections, including: Presidents, Native American history, Civil War photographs, personal manuscripts, baseball cards, sheet music, etc.
One of the world's great collections of art, the Hermitage contains over three million items spanning the Stone Age to the 20th century. This digital collection includes many important works, and incorporates sophisticated digital tools that enable detailed study of the images.
Imagine applying Google's Street View technology to art galleries. Art Project lets you virtually walk through a number of major art galleries, including zooming in to look at specific items in more detail.
Images that you can freely use papers, projects, presentations, websites, etc, etc... the possibilities are endless! They are in the public domain, so you do not have to worry about violating copyright.