| Verfasser | Häufigkeit |
| Burd, Stephen D. 1958- |
3 |
| Jackson, Robert B. |
3 |
| Satzinger, John W. |
3 |
| Abraham, Nikhil |
2 |
| Burd, Barry |
2 |
| Burd, John S. |
2 |
| Holland, Eva |
2 |
| Massaron, Luca |
2 |
| Minnick, Chris |
2 |
| Ruskin, John 1819-1900 |
2 |
| Burd, Barry 1951- |
1 |
| Burd, Van A. |
1 |
| Burd, Van Akin |
1 |
| Mueller, John |
1 |
| Mueller, John 1958- |
1 |
| Mueller, John Paul 1958- |
1 |
| Muhr, Judith |
1 |
| O'Reilly for Higher Education (Firm) |
1 |
| Ruskin, John James 1785-1864 |
1 |
| Ruskin, Margaret Cock 1781-1871 |
1 |