| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| American Drug Index 1998 | 978-1-57439-031-5 (1-57439-031-7) | 1998 | Norman F. Billups |
| American Drug Index 2000: Published by Facts and Comparisons | 978-1-57439-053-7 (1-57439-053-8) | 2000 | " |
M B · S. B · S M · Shirley M. Billups · Shirley M. Billups RN LPC MEd