| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Capital Source: The Who's Who, What, Where in Washington 2007 | 978-0-89234-118-4 (0-89234-118-1) | 2007 |
| The Capital Source: The Who's Who, What, Where in Washington Spring 2005 | 978-0-89234-113-9 (0-89234-113-0) | 2005 |