Buchner, Georg
Wilhelm Goldman, 1959
Buku Teks SO
Fritz Martini ...[et all.]
Herder, 1962
Buku Teks
Segher, Anna
Aufbau, 1963
Buku Teks
K.L. Knickerbocker ... [and others]
Harcourt, Brace Jovanovics College Publishers, 1985
Buku Teks SO
edited by Louis G. Locke, William M. Gibson and George W. Arms
Holt, Rinehart and Winston, 1967
Buku Teks SO