Study Search Results Your query returned 2 results. Series results are grouped under the most relevant study. You can ungroup series results. 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. Southern Agricultural Households in the United States, 1880 (ICPSR 9430) Sutch, Richard; Ransom, Roger 2. Southern Farms Study, 1860 (ICPSR 7419) Parker, William N.; Gallman, Robert E.