Haywood, John A., author
Lund Humphries, 1965
Buku Teks
Kapliwatzky, Jochanan, author
Rubin Mass, 1954
Buku Referensi
Thatcher, G.W., author
Frederick Ungar, [Date of publication not identified]
Buku Teks
Badawi, El-Said, author
Routledge, 2004
Buku Referensi
Kapliwatzky, Jochanan
Rubin Mass, 1941
Buku Teks