| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| American Drug Index 2010: Published by Facts & Comparisons | 978-1-57439-305-7 | 2009 | |
| American Drug Index 2011: Published by Facts & Comparisons | 978-1-57439-318-7 | 2010 | |
| American Drug Index 2012 | 978-1-57439-327-9 | 2011 | Norman F. Billups RPh MS PhD |
| American Drug Index 2013 | 978-1-57439-337-8 | 2012 | " |
| American Drug Index 2014 | 978-1-57439-350-7 | 2013 | " |
| American Drug Index 2016 | 978-1-57439-369-9 | 2015 | " |
M B · m r · S. B · S M · S.M. Billups · S. M. R. · S R · Shirley M. Billups