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Your query returned 7 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results.

4.
Census Tract-Level Data, 1960 (ICPSR 7552)
United States Department of Commerce. Bureau of the Census
5.
Puerto Rico Census Project, 1910 (ICPSR 4343)
Palloni, Alberto; Winsborough, Halliman H.; Scarano, Francisco
6.
Puerto Rico Census Project, 1920 (ICPSR 4344)
Palloni, Alberto; Winsborough, Halliman H.; Scarano, Francisco

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