Proceedings of the 2011 North American Symposium on Knowledge Organization

June 16-17, 2011, Tornoto, Ontario

---

Proceedings of the 2009 North American Symposium on Knowledge Organization

June 18-19, 2009, Syracuse, New York

---

Proceedings of the 2007 North American Symposium on Knowledge Organization

June 14-15, 2007, Toronto, Ontario