| Verfasser | Häufigkeit |
| Laird, Paul R. 1958- |
27 |
| Laird, Robbin F. 1946- |
25 |
| Laird, Roy D. |
14 |
| Gorrell, Robert M. |
9 |
| Laird, Charlton Grant 1901-1984 |
9 |
| Laird, Macgregor |
9 |
| Laird, Walter Roy 1950- |
9 |
| Oldfield, R. A. |
9 |
| Laird, Melvin R. |
8 |
| Laird, Ross |
8 |
| Borden, Robert Laird 1854-1937 |
7 |
| Hoffmann, Erik P. 1939- |
6 |
| Kramer, Roland Laird 1898-1976 |
6 |
| Mackie, Robert Laird 1885- |
6 |
| Everett, William A. 1962- |
5 |
| Cregar, Laird 1913-1944 |
4 |
| Ladd, Alan 1913-1964 |
4 |
| Lake, Veronica 1919-1973 |
4 |
| Preston, Robert 1918-1987 |
4 |
| Tuttle, Frank 1892-1963 |
4 |