| Verfasser | Häufigkeit |
| Richards, William G. |
20 |
| Richards, William 1749-1818 |
16 |
| Richards, Theodore William 1868-1928 |
11 |
| Holm, William A. |
10 |
| Richards, William |
9 |
| Scheer, James A. |
9 |
| Richards, William L. |
8 |
| Richards, Joseph William 1864- |
6 |
| Richards, Mark A. 1952- |
5 |
| Scott, Peter R. |
5 |
| Richards, Mark A. |
4 |
| Richards, William A. 1940- |
4 |
| Richards, William R. |
4 |
| Gasser, Robert P. |
3 |
| Grant, Guy H. |
3 |
| Richards, William Graham 1939- |
3 |
| Richards, William Trost 1833-1905 |
3 |
| Richards, William fl. 1730-1763 |
3 |
| William Richards |
3 |
| Adrion, W. Richards 1943- |
2 |