| Verfasser | Häufigkeit |
| Robinson, Robert 1735-1790 |
43 |
| Robinson, Robert |
30 |
| Robinson, Robert A. |
9 |
| Robinson, Robert Chief Justice of Gibraltar |
7 |
| Stokes, Robert H. 1918- |
6 |
| Robinson, Robert G. 1945- |
4 |
| Amos, James J. 1955- |
2 |
| Harned, Herbert S. |
2 |
| Robinson, Robert 1725 or 6-1791 |
2 |
| Robinson, Robert 1886-1975 |
2 |
| Robinson, Robert A. 1953- |
2 |
| Robinson, Robert G. |
2 |
| Cheatham, Paul W. |
1 |
| Davis, Nancy J. 1950- |
1 |
| Dobson, E. J. 1913-1984 |
1 |
| Morgan, E. D. |
1 |
| O'Connor, John C. |
1 |
| Reich, David E. |
1 |
| Robinson, Robert B. |
1 |
| Robinson, Robert C. 1976- |
1 |