| Verfasser | Häufigkeit |
| Arndt, Karl John Richard 1903-1991 |
23 |
| Olson, May E. |
23 |
| Olson, Richard G. 1940- |
22 |
| Olson, Alexis Richard |
11 |
| Hicock, Henry W. |
7 |
| Olson, Richard S. |
5 |
| Ahrens, John F. |
2 |
| Olson, James |
2 |
| Olson, Richard Fischer |
2 |
| Olson, Richard P. |
2 |
| Belkin, Aaron |
1 |
| Botchway, De-Valera N. Y. M. |
1 |
| Bowen, Nancy R. |
1 |
| Breslauer, George |
1 |
| Brueggemann, Walter |
1 |
| Cantor, Charles R. 1942- |
1 |
| Cederman, Lars |
1 |
| Chapman, Gordon |
1 |
| Colvig, Helen |
1 |
| Crichton, Michael 1942-2008 |
1 |