Tönnies, Ferdinand (1855-1936)(191)
Paulsen, Friedrich (1846-1908)(64)
Spencer, Herbert (1820-1903)(3)
Althoff, Friedrich (1839-1908)(2)
Cosentini, Francesco [ermittelt](2)
Jhering, Rudolf von (1818-)(2)
Rickert, Heinrich (1853-1936)(2)
Sombart, Werner (1863-1941)(2)
Branford, Victor [ermittelt](1)