Search Results Use the search box below to revise your search, or start a new search. Studies (1) Variables Publications Your query returned 1 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. The Economic Progress of African Americans in Urban Areas: A Tale of 14 Cities (ICPSR 34710) Black, Dan A.; Kolesnikova, Natalia A.; Taylor, Lowell J.