Latourette, Kenneth Scott
Macmillan, 1951
Buku Teks
Latourette, Kenneth Scott
Macmillan, 1957
Buku Teks
Peffer, Nathaniel
University of Michigan Press, 1958
Buku Teks
Meyer, Milton W.
Barnes & Noble, 1972
Buku Teks
Vinacke, Harold M.
Appleton-Century-Crofts, 1950
Buku Teks