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Immigration and ethnicity : a guide to information sources
Buenker, John D., (1977)
A report on world population migrations : as related to the United States of America ; an exploratory survey of past studies and researches on world population migration, with the view of evaluating areas already covered and outlining areas which warrant development
(1956)
The Immigration History Research Center : a guide to collections
Moody, Suzanna, (1991)