edited by Raymond Dennett
World Peace Foundation, 1950
Buku Teks
edited by Richard P. Stebbins
Published for the Council on Foreign Relations by Simon and Schuster, [1939-1970], 1963
Buku Teks
edited by Richard P. Stebbins
American Book-stratford Press, 1963
Buku Teks
edited by S. Shepard Jones
World Peace Foundation, 1941
Buku Teks
edited by Raymond Dennett
World Peace Foundation, 1950
Buku Teks