| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1993 | 978-0-942447-01-9 | G. John Digregorio · Edward J. Barbieri · Michael C. Kennedy · Andrew P. Ferko | Handbook of Commonly Prescribed Ocular Drugs |
| '' | 978-0-942447-02-6 | G. John DiGregorio | Handbook of commonly prescribed drugs |
| 1997 | 978-0-942447-22-4 | Roger E. Nieman · Edward J. Barbieri · Andrew P. Ferko · G. John Digregorio · Joseph R. Dipalma | Antimicrobial Therapy in Primary Care Medicine |
| 1999 | 978-0-942447-30-9 | John G. DiGregorio · Edward J. Barbieri · Eric T. Wittbrodt | Travelers Guide to International Drugs - Western Hemisphere Edition |
| 2005 | 978-0-942447-48-4 | G. John DiGregorio · Edward J. Barbieri | Handbook of Commonly Prescribed Drugs: (With Therapeutic, Toxic & Lethal Levels) |
| '' | 978-0-942447-49-1 | G. John Digregorio · Edward J. Barbieri | Handbook Of Commonly Prescribed Drugs: (With Therapeutic, Toxic & Lethal Levels): (Pocket Size) |