| Author | Titles | | 1.
| Geiger, Anna Bella, 1933- | 5 | | 2.
| Geiger, Ludwig | 5 | | 3.
| Geiger, Moritz | 1 | | 4.
| Geiger, Rudolf, 1894-1981 | 2 | | 5.
| Geigy, Alfred | 1 | | 6.
| Geijer, Agnes | 1 | | 7.
| Geikie, Archibald, Sir, 1835-1924 | 1 | | 8.
| Geilekerck, Nicolaus, 15- | 1 | | 9.
| Geirinhas, Alice, 1964- | 27 | | 10.
| Geirlandt, K. J. | 3 |
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