Camougis, George
McGraw-Hill, 1981
Buku Teks SO
Hutchinson, Ian H., 1951-
Cambridge University Press, 2015
Buku Teks SO
Stryker, Perrin
McGraw-Hill, 1954
Buku Teks SO
edited by Frederick H. Kanfer and Arnold P. Goldstein
Pergamon Press, 1991
Buku Teks SO
by A Monk of the Eastern Church
Macmillan, 1946
Buku Teks SO