Hegel, George Wilhelm Friedrich
Boss-Merrill, 1953
Buku Teks
Hegel, George Wilhelm Friedrich
Dover, 1956
Buku Teks
Stumpf, Samuel Enoch, 1918-1998
McGraw-Hill, 2012
Buku Teks
Lewes, George Henry
Cambridge University Press, 2013
eBooks
Cowell, F.R.
Adam and Charles Black, 1952
Buku Teks SO