Kuligowski, Zygmunt

Alter, Wiktor (1890–1941)

Büchner, Ludwig (1824–1899)

Sombart, Werner (1863–1941)

Parvus (1867–1924)

Gide, Charles (1847–1932)

Belmont, Leo (1865–1941)

Baldwin, James Mark (1861–1934)

Bouglé, Célestin Charles Alfred (1870–1940)

Kempner, Stanisław Aleksander (1857–1924)

Bureau, Paul (1865–1923)

Pawlicki, Stefan Zachariasz (1839–1916)

Kempner, Stanisław Aleksander (1857–1924)

Kempner, Stanisław Aleksander (1857–1924)

Pisarev, Dmitrij Ivanovič (1840–1868)

Bouglé, Célestin Charles Alfred (1870–1940)

Giraud-Teulon, Alexis (1839–1916)

Lafargue, Paul (1842–1911)

Kovalevskij, Maksim Maksimovič (1851–1916)

Cathrein, Victor (1845–1931)

Kautsky, Karl (1854–1938)

Kautsky, Karl (1854–1938)

Grochowski, Grzegorz