1. Press Release (full text ) [June 16, 2001]
2. (full text ) Library Systems Newsletter [August 2000]
3. Press Release (full text ) [June 12, 2000]
4. Van de Sompel, Herbert~Hochstenbach, Patrick. D-Lib magazine [October 1999]
5. (full text ) Library Systems Newsletter [December 1994]
6. (full text ) Library Systems Newsletter [February 1993]
7. (full text ) Library Systems Newsletter [December 1992]