MAST (Maritime Studies)

American Civil War: Letters and Diaries

Provides access to 2,009 authors and approximately 100,000 pages of diaries, letters and memoirs from the civil war era.[has primary sources]

Grove Art Online

Grove Art Online provides Web access to the entire text of The Dictionary of Art with quarterly additions of new material and updates to the text, plus extensive image links and all the sophisticated search advantages possible with an online reference source.

Oral History Online

Oral History Online provides in-depth indexing to more than 2,700 collections of Oral History in English from around the world.