Sabine, George H., author
Binacipta, 1981
Buku Teks
Sabine, George H., author
George G. Harrap, 1959
Buku Teks
Sabine, George H., author
Henry Holt , 1954
Buku Teks
Bowle, John
J. Cape, 1947
Buku Teks
Sargent, Lyman Tower, author
Brooks Cole, 1990
Buku Teks