Study Search Results Your query returned 4 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. (?) Study Title/Investigator 1. Union Army Recruits in Black Regiments in the United States, 1862-1865 (ICPSR 9426) Metzer, Jacob; Margo, Robert A. 2. Union Army Recruits in Black Regiments in the United States, 1862-1865: [Instructional Materials] (ICPSR 3466) Oberly, James W. 3. Union Army Slave Appraisal Records from Mississippi, 1863-1865 (ICPSR 9427) Margo, Robert A. 4. United States Census of Mortality: 1850, 1860, and 1870 (ICPSR 2526) Fogel, Robert W.; Ferrie, Joseph; Costa, Dora; et al.