| Verfasser | Häufigkeit |
| Swanson, Robert Norman |
39 |
| Swanson, Robert N. |
13 |
| Agger, Robert E. |
5 |
| Goldrich, Daniel |
5 |
| Marshall, Robert H. |
3 |
| Swanson, Bert E. |
3 |
| Swanson, Huntington S. |
3 |
| Swanson, Rodney B. |
3 |
| Woolsey, Robert E. |
3 |
| Adams, Leslie 1932- |
2 |
| Chaplin, Charles Spencer |
2 |
| Hailstork, Adolphus C. 1941- |
2 |
| Kerr, Thomas H., Jr. 1915-1988 |
2 |
| Moore, Undine Smith 1904-1989 |
2 |
| Owens, Robert 1925- |
2 |
| Price, Florence 1887-1953 |
2 |
| Swanson, Gloria |
2 |
| Swanson, Robert |
2 |
| Swanson, Robert S. |
2 |
| Turpin, Ben |
2 |