Rubczyński, Witold (1864–1938)

Rubczyński, Witold (1864–1938)

Rubczyński, Witold (1864–1938)

Sheldon, Walter Lorenzo (1858–1907)

Giżycki, Georg von (1851–1895)

Rubczyński, Witold (1864–1938)

Kurnatowski, Jerzy (1874–1934)

Myślicki, Ignacy (1874–1935)

Biegański, Władysław (1857–1917)

Høffding, Harald (1843–1931)

Høffding, Harald (1843–1931)

Kurnatowski, Jerzy (1874–1934)

Høffding, Harald (1843–1931)

Świętochowski, Aleksander (1849–1938)

Kropotkin, Petr Alekseevič (1842–1921)

Garfein-Garski, Stanisław (1867–1928)

Morawski, Marian Ignacy (1845–1901)

Haushofer, Max

Buisson, Ferdinand (1841–1932)

Lubelski, Józef (1884–1943)

Raciborski, Aleksander (1845–1920)