| Autor | Títulos | | 1.
| Kaufmann, Fritz Alexander | 3 | | 2.
| Kaufmann Jr., Edgar | 1 | | 3.
| Kaufmann, T DaCosta | 1 | | 4.
| Kaufmann, Thomas Dacosta | 5 | | 5.
| Kaufmann, Walter | 1 | | 6.
| Kaune & Hardwig (Firma) | 1 | | 7.
| Kaunert, Luise | 1 | | 8.
| Kaupe, Walther | 1 | | 9.
| Kausler, E. H. V. | 1 | | 10.
| Kautsky, Karl, 1854-1938 | 2 |
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