| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Protocol | 978-1-930754-13-3 (1-930754-13-2) | 2001 | Mary Jane McCaffree |
| Protocol: The Complete Handbook of Diplomatic, Official and Social Usage, 25th Anniversary Edition | 978-1-930754-18-8 (1-930754-18-3) | 2007 | Mary Jane McCaffree ยท Richard M. Sand |