A History of the World
 Buku Teks
Frankel, Ernst Gabriel
The world shipping industry
Croom Helm, 1987
 Buku Teks
Johnson, Elmer D.
History of libraries in the Western World
The Scarecrow Press, 1970
 Buku Teks
Palmer, Robert Roswell, 1909-2002
A history of the modern world
McGraw-Hill, 1950
 Buku Teks
Palmer, Robert Roswell, 1909-2002
A history of the modern world
Alfred A. Knopf, 1967
 Buku Teks