Gillispie, Charles Coulston
Princeton University Press, 1960
Buku Teks SO
Stuart, Alan
Charles Griffin, 1976
Buku Teks SO
Taylor, F. Sherwood
W.W. Norton, 1963
Buku Teks SO
edited by Manuel G. Doncel ... [and others]
Universitat Autonoma de Barcelona , 1987
Buku Teks SO
Buku Teks