Al-Farabi, Abu Nasr (ca. 873-950)

Seneca, Lucius Annaeus (ca. 55 BC-ca. 40 AD)

Wagner, Johann Jakob (1775-1841)

Tennemann, Wilhelm Gottlieb (1761-1819)

Tennemann, Wilhelm Gottlieb (1761-1819)

Victorinus, Gaius Marius (ca. 281-ca. 362)

Husserl, Edmund (1859-1938)

Wagner, Johann Jakob (1775-1841)