Allen, J. W.
University Paprebacks, 1960
Buku Teks
Wielenga, Friso. author
Bloomsbury Academic, 2015
Buku Teks
Church, William Farr
Harvard University Press, 1941
Buku Teks
edited by Isaac Kramnick
[publisher not identified], 1969
Buku Teks
Wanlass, Lawrence C.
Appleton-Century-Crofts, 1953
Buku Teks