Ballin, Marianne F.H. Hirsch
[T. M. C. Asser Press, T. M. C. Asser Press], 2012
eBooks
Norton, Thomas James
America`s Future, 1946
Buku Teks
Buglass, Leslie J.
Cornell Maritime Press, 1991
Buku Teks
Norton, Thomas James
America`s Future, Inc., 1946
Buku Teks
edited by Allan Nevins and Louis M. Hacker
D.C. Heath, 1943
Buku Teks