edited by Lloyd G. Stevenson and Robert P. Multhauf
The John Hopkins University Press , 1968
Buku Teks
edited by, Jan J. Loubser ...[et al.].
The Free Press, 1976
Buku Teks
edited by Felicitas Opwis and David Reisman
Brill, 2012
eBooks
edited by, Jan J. Loubser ...[et al.].
The Free Press, 1976
Buku Teks
Thomas Y. Crowell Company, 1960
Buku Teks