Hoover Library: Electronic Books: Free eBooks by Subject

Art

The Avalon Project (Yale Law School)
Documenting the American South (University of North Carolina, Chapel Hill)
Primary sources with specific focus on the American South throughout American history
eHistory - Primary Sources (Ohio State University)
Perseus Digital Library (Tufts University)
A digital library project hosted by the Department of Classics at Tufts University. Contains thousands of searchable full-text documents including many primary texts.