| Verfasser | Häufigkeit |
| Engelen, Theo 1950- |
17 |
| Engelen, Theo |
2 |
| Shepherd, John Robert ca. 20./21. Jh |
2 |
| Wen Shan Yang 1951- |
2 |
| Engelen, Th, (Theo) |
1 |
| Koetsenruijter, W. |
1 |
| Koetsenruijter, Willem 1958- |
1 |
| Shephard, John R. |
1 |
| Wen-shan, Yang |
1 |
| Xie, Yinghui ca. 20./21. Jh |
1 |
| Ying-Hui, Hsieh |
1 |
| de Jong, J. |
1 |