| Verfasser | Häufigkeit |
| McNeill, John Robert 1954- |
41 |
| McNeill, John 1957- |
21 |
| McNeill, John |
17 |
| McNeill, John 1933- |
11 |
| McNeill, John Thomas 1885-1975 |
7 |
| McNeill, John Robert |
6 |
| Wiesner, Merry E. 1952- |
6 |
| Greuter, Werner 1938- |
4 |
| McNeill, John J. 1925-2015 |
4 |
| Plant, Richard 1962- |
4 |
| Tucker, Richard P. 1938- |
4 |
| Engelke, Peter |
3 |
| Plant, Richard |
3 |
| Barrie, Fred R. 1948- |
2 |
| Bishop, Paul 1967- |
2 |
| Camps i Sòria, Jordi 1955- |
2 |
| Castiñeiras González, Manuel Antonio 1964- |
2 |
| Hawksworth, D. L. 1946- |
2 |
| Herendeen, Patrick S. 1959- |
2 |
| Heywood, Vernon H. 1927-2022 |
2 |