Spencer, Herbert (1820-1903)(2)
Carpzov, Benedict (1595-1666)(1)
Hegel, Georg Wilhelm Friedrich (1770-1831)(1)
Jacoby, Eduard G. (1904-1978)(1)
Jhering, Rudolf von (1818-)(1)
Nietzsche, Friedrich (1844-1900)(1)
Schiller, Friedrich (1759-1805)(1)
Schäffle, Albert (1831-1903)(1)