Study Search Results Your query returned 2 results. Use the search box below to revise your search, or start a new search. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded (?) Study Title/Investigator 1. United States Newspaper Panel, 1869-2004 (ICPSR 30261) Gentzkow, Matthew; Shapiro, Jesse M.; Sinkinson, Michael 2. US Newspapers in the American South, 1869-1896 (ICPSR 35513) Gentzkow, Matthew; Petek, Nathan; Shapiro, Jesse; et al.