| Verfasser | Häufigkeit |
| Nichols, Donald A. |
2 |
| Albertson, Frank 1909-1964 |
1 |
| Brunelli, Peter |
1 |
| Clarke, Donald Henderson |
1 |
| Dale Owen, Catherine |
1 |
| Ford, John 1895-1973 |
1 |
| Lowe, Edmund |
1 |
| Nichols, Dudley 1895-1960 |
1 |
| Reynolds, Clark W. |
1 |
| Schneiderman, George 1894-1964 |
1 |
| Wachner, Sophie 1877-1918 |
1 |