Kuther, Tara L., editor
Belmont, CA, 2006
Buku Teks
by Harold C. Hinton. .. [et al]; edited by George McTurnan Kahn
Cornell University Press, 1963
Buku Teks
edited by George McTurnan Kahin
Cornell University Press, 1967
Buku Teks
Carter, Gwendolen M., author
Harcourt Brace & World , 1967
Buku Teks
Carter, Gwendolen M., author
Harcourt, Brace & World, 1962
Buku Teks