1
Donald L. Pavia
| W. B. Saunders Co. |
1979
2
Donald L. Pavia
| W. B. Saunders Co. |
1979
3
Frederick A. Jakobiec/jesse Sigelman
| W.B. Saunders company |
1984
4
Robert L Mclaurian/Joan I. Venes/Luis Schut/Fred
| W.B. Saunders Company |
1989