| Contributors |
|---|
| Kaiser, Erich [2] |
| Kaunhowen, Friedrich [2] |
| Kayser, Emanuel [14] |
| Keilhack, Konrad [12] |
| Keyser, Emanuel [4] |
| Klautzsch, Adolf [1] |
| Koch, Carl [16] |
| Koenen, Adolf von [27] |
| Koert, Willi [10] |
| Korn, Johannes [1] |
| Krause, Paul Gustaf [1] |
| Krusch, Paul [2] |
| Kühn, Benno [2] |
| Lang, Otto [2] |
| Laspeyres, Hugo [1] |
| Leppa, August [1] |
| Leppla, Augus [1] |
| Leppla, August [16] |
| Liebe, Karl Theodor [12] |
| Linstow, Otto von [13] |
