edited by Donald Snow ; foreword by Patrick F. Noonan
Island Press, 1992
Buku Teks
Vanderbilt, Arthur T.
Pricenton University Press, 1955
Buku Teks
Hill, Lance, author
The University of North Carolina Press, 2004
Buku Teks
Beirne, Joseph A., author
Prentice-Hall, 1969
Buku Teks
Lovel, John P
Macmillan, 1985
Buku Teks