Alexander Yakovlevich Danilevsky portrait
Arsen'ev, Konstantin Konstantinovich, 1837-1919
1911
Cropped from <a href="//commons.wikimedia.org/wiki/File:Novy_entsiklopedicheski_slovar_(1911)_(14750223926).jpg" title="File:Novy entsiklopedicheski slovar (1911) (14750223926).jpg">File:Novy entsiklopedicheski slovar (1911) (14750223926).jpg</a>