Mower, Alfred Glenn, author
Connecticut Greenwood Press 1979,
Buku Referensi
Griswold, Alfred Whitney, 1906-1963, author
Brace, 1939
Buku Teks
Mower, Alfred Glenn, author
Greenwood Press, 1979
Buku Teks
Wiji Hartono, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2005
UI - Skripsi (Membership)
Oceana Publications, 1957
Buku Teks