| Bonpland, Aime |
3 |
| Humboldt, Alexander de |
3 |
| Williams, Helen Maria (Tr.) |
3 |
| Beattie, William |
2 |
| Fraser, James B. |
2 |
| Best, John Richard |
1 |
| Boddington, Mary |
1 |
| Buckingham, J.S. |
1 |
| Faulkner, Arthur Brooke |
1 |
| Hall, Sidney |
1 |
| Morton, Edward |
1 |
| Notes F.W. |
1 |
| Weddell, James |
1 |