Nourse, Mary Augusta
Bobbs-Merrill, 1949
Buku Teks
Stein, Guenther, author
Methuen, 1936
Buku Teks
Lewin, Moshe
University of California Press , 1991
Buku Teks
Lewin, Mostie
University of California Press , 1988
Buku Teks
Stone, Bailey, author
Cambridge University Press, 1994
Buku Teks