Creator
- Kantor, Mikhail Lʹvovich, 1884-19701
- Karachevskiĭ-Karateev, Mikhail Dmitrievich, 1904-19781
- Karachevskiĭ-Karateev, Dmitriĭ V.1
- Karpovich, Michael, 1888-19591
- Khodasevich, V. F. (Vladislav Felit͡sianovich), 1886-19391
- Kirill Vladimīrovich, Grand Duke of Russia, 1876-19381
- Kizevetter, A. A. (Aleksandr Aleksandrovich), 1866-19331
- Kosatkin-Rostovskiĭ, Evdokii︠a︡ N., 188?-1
- Kosatkin-Rostovskīĭ, F., kni︠a︡zʹ (Fedor), 1875-19401
- Kshesinskai︠a︡ , Matilʹda Feliksovna, 1872-19711
- Kuprin, Aleksandr Ivanovich, 1870-19381
- La Bruyère, Jean de, 1645-16961
- La Rochefoucauld, François, duc de,, 1613-16801
- Lavrov, P. L. (Petr Lavrovich), 1823-19001
- Losskiĭ, N. O. (Nikolaĭ Onufrievich), 1870-19651
- Maillol, Aristide, 1861-19441
- Maklakov, V. A. (Vasiliĭ Alekseevich), 1870-19571
- Marii︠a︡, matʹ, 1891-19451
- Masaryk, Alice Garrigue, 1879-19661
- Masaryk, T. G. (Tomáš Garrigue), 1850-19371