| Verfasser | Häufigkeit |
| Eastman, Seth 1808-1875 |
16 |
| Schoolcraft, Henry Rowe 1793-1864 |
16 |
| USA Bureau of Indian Affairs |
16 |
| Bureau, René |
14 |
| Bureau de recherches géologiques et minières |
6 |
| Clas, André |
4 |
| Bureau, Robert |
3 |
| Bureau, Sylvain 1979- |
2 |
| National Bureau of Economic Research |
2 |
| Rolin, P. |
2 |
| Ammo 1982- |
1 |
| Anef |
1 |
| Angeles, Bert |
1 |
| Assche, Mathieu van 1980- |
1 |
| Baker, George D. |
1 |
| Bedoux, Else |
1 |
| Bernhart, Antoine 1950- |
1 |
| Bertho, Nils 1987- |
1 |
| Bingham, Rosie |
1 |
| Bolino, Pakito 1966- |
1 |