21
Cowles, Henry
| D Appleton |
1881
22
Cowles, Henry
| D Appleton |
1878
23
Cowles, Henry
| D Appleton |
1874
24
Cowles, Henry
| D Appleton |
1879
25
Cowles, Henry
| D Appleton |
1880
26
27
Darwin, Charles
| D Appleton |
1889
28
Draper, John William
| D Appleton |
1875
29
Gregorovius, Ferdinand
| D Appleton |
1990