| Author | Titles | | 1.
| Keller, Charles, 1914-1978 | 1 | | 2.
| Keller, Christoph, 1967- | 4 | | 3.
| Keller, Corey | 1 | | 4.
| Keller, Cristoph, 1969- | 1 | | 5.
| Keller, Émile | 1 | | 6.
| Keller, Eva | 1 | | 7.
| Keller, Ferdinand, 1842-1922 | 1 | | 8.
| Keller, Gottfried, 1819-1890 | 3 | | 9.
| Keller, Hans | 2 | | 10.
| Keller, Heinz | 1 |
|
|
