* [https://www.loc.gov/aba/pcc/naco/documents/npm3rd.pdf NACO Participants' Manual. 3rd Edition.] Edited by Patricia Van Ryn and William L. Starck. July 31, 2005 | * [https://www.loc.gov/aba/pcc/naco/documents/npm3rd.pdf NACO Participants' Manual. 3rd Edition.] Edited by Patricia Van Ryn and William L. Starck. July 31, 2005 |