Linebarger, Paul Myron Anthony, 1913-1966, author
York D van Nostrand, 1954
Buku Teks
Stocholm, 1958
Buku Teks
Millard, Thomas F., author
Fisher Unwin, 1908
Buku Teks
Hubbard, G.E., author
International Secretariat Institute of Pasific Relations, 1943
Buku Teks
Bisson, T.A., author
Macmilan Co., 1945
Buku Teks