Study Search Results Your query returned 5 results. Series results are grouped under the most relevant study. You can ungroup series 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. New Orleans Slave Sale Sample, 1804-1862 (ICPSR 7423) Fogel, Robert W.; Engerman, Stanley L. 2. New Orleans Slave Sample, 1804-1862 [Instructional Materials] (ICPSR 3464) Oberly, James W. 3. Philadelphia Social History Project: Pennsylvania Abolition Society and Society of Friends Manuscript Census Schedules, 1838, 1847, 1856 (ICPSR 3805) Hershberg, Theodore 4. Southern Farms Study, 1860 (ICPSR 7419) Parker, William N.; Gallman, Robert E. 5. Union Army Slave Appraisal Records from Mississippi, 1863-1865 (ICPSR 9427) Margo, Robert A.