| Author | Titles | | 1.
| Koebel, W.H., 1872-1923 | 3 | | 2.
| Koebel, William Henry, 1872-1923 | 0 | | 3.
| Author is: Koebel, W.H., 1872-1923 | 3 | | 4.
| Koechlin, Charles | 1 | | 5.
| Koechlin, Raymond, 1860-1931 | 3 | | 6.
| Koegel, Alice | 1 | | 7.
| Koehler, Bernd | 1 | | 8.
| Koehler, Karen | 1 | | 9.
| Koehler, S. R. | 1 | | 10.
| Koekkoek, Roland, 1958- | 1 | | 11.
| Koelbl, Herlinde | 1 |
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