Hobbes, Thomas (1588-1679)(18)
Spencer, Herbert (1820-1903)(8)
Schiller, Friedrich (1759-1805)(4)
Jhering, Rudolf von (1818-)(3)
Literarisches Centralblatt für Deutschland. Zeitschrift (1850-1944)(3)
Tönnies, Ferdinand (1855-1936)(3)
Descartes, René (1596-1650)(2)
Dilthey, Wilhelm (1833-1911)(2)
Galilei, Galileo (1564-1642)(2)
Gierke, Otto von (1841-1921)(2)