Gregor, Joseph
Wien Im Phaidon Verlag 1935
Buku Teks
Doren, Mark van
Doubleday , 1955
Buku Teks
Wilson, John Dover, 1881-1959
Brooklyn, N.Y. :Haskell House Publisher, 1977,
Buku Teks
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1964
UI - Skripsi (Membership)
Parrott, Thomas Marc
Charles Scribner's Sons, 1955
Buku Teks