Approximately 2000 titles from the Library of Congress Chinese Rare Book Collection.

Over 9,600 items from one of the largest collections of Chinese rare books in North America.

Not nearly as many rare books as the other libraries listed, but take a look at the way they display the data. Cool way to browse.

interface allows you to search across dozens of museums, libraries, and other collections.

Current projects, but also includes a list of digitized Chinese rare books.