Beetz, Karl Otto (1859- )
Friedlaender, Ludwig (1824-1909)
Niepokoyczycki, Kazimierz
Mill, John Stuart (1806-1873)
Burgdörfer, Friedrich (1890-1967)
Ziegler, Theobald (1846-1918)
Temme, Jodocus Donatus Hubertus (1798-1881)
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