| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Official Rules of the National Football League 2004 | 978-1-57243-684-8 (1-57243-684-0) | 2004 | |
| Official Rules of the NFL 2000-2001 | 978-1-57243-399-1 (1-57243-399-X) | 2000 | National Football League |