| Verfasser | Häufigkeit |
| American Society of Pharmacognosy Copper Mountain, Colo |
1 |
| Butterworth, Charles |
1 |
| Cichewicz, Robert H. |
1 |
| David, Rabban |
1 |
| Douglas, Lloyd C. 1877-1951 |
1 |
| Dunne, Irene 1898-1990 |
1 |
| Edwards, Snitz |
1 |
| Erwin, Lee |
1 |
| Haines, Bert 1896-1991 |
1 |
| Heerman, Victor 1893-1977 |
1 |
| Israel, Robert |
1 |
| James, Walter |
1 |
| Janet, Sinder |
1 |
| Jarvis, Thomson |
1 |
| Jennings, J. D. |
1 |
| Jordan, Kurland |
1 |
| JudithJarvis, Thomson |
1 |
| Keaton, Buster 1895-1966 |
1 |
| Mack, Raymond W. |
1 |
| Mason, Sarah Y. 1896-1980 |
1 |