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1
Immigration in the 19th century, 1800-1914
Publicado em 2000An electronic book accessible through the World Wide Web; click to view
Recurso Eletrônico Mapa -
2
Immigrants to the United States, 1990
Publicado em 1999An electronic book accessible through the World Wide Web; click to view
Recurso Eletrônico Mapa -
3
The balance of power after World War II
Publicado em 1999An electronic book accessible through the World Wide Web; click to view
Recurso Eletrônico Mapa