A further discussion of open bibliographic data can be viewed here. Apparently, there really are not many sources of open bibliographic data -- but if you think about it, that's not much of a surprise. The Library of Congress data is free of copyright within the United States, but not outside of it. I think the thing is, it's not an inexpensive thing to make a catalog
- Act as a central point of reference and support for people interested in open bibliographic data
- Identify relevant projects and practices. Promote best practices as well as legal and technical standards for making data open (such as the Open Knowledge Definition).
- Act as a hub for the development and maintenance of low cost, community driven projects related to open bibliographic data.
Discovered through Catalogablog.