| Verfasser | Häufigkeit |
| Argyll, John Douglas Sutherland Campbell 1845-1914 |
2 |
| Bray, Douglas W. |
2 |
| Campbell, Richard J. |
2 |
| Grant, Donald L. |
2 |
| Haldeman, Douglas C. |
2 |
| Arnold, Hubert |
1 |
| Ballard, Chris |
1 |
| Beauchamp, Daniel D. 1908-1969 |
1 |
| Bogle, Lockhart |
1 |
| Brady, Ivan |
1 |
| Broening, Benjamin |
1 |
| Campbell, Arthur |
1 |
| Campbell, Douglas A. 1961- |
1 |
| Campbell, F. Douglas |
1 |
| Campbell, I. C. |
1 |
| Campbell, Jeff |
1 |
| Campbell, Naomi |
1 |
| Campbell, William |
1 |
| Chase, Borden 1900-1971 |
1 |
| Cisler, Walker L. |
1 |