Economic growth in Indonesia 1820-1940 / edited by Angus Maddison and Ge Prince
Foris Publications, 1989
 Buku Teks
Comparative regional systems: west and east Europe, North America, the middle east and developing countries / edited by Werner J. Feld, Gavin Boyd
Pergamon Press, 1980
 Buku Teks
Europe;north;central and south america;and oceania
 Artikel Jurnal
Roman, Stephan
The development of Islamic library collections in Western Europe and North America
Mansell, 1990
 Buku Teks
Jones, Rodwell Ll.
North America: an historical, economic and regional geography
Methuen, 1950
 Buku Teks