4813. Optimized spatial information for 1990, 2000, and 2010 U.S. census microdata Bookmark Format Single study
4814. Optimizing Water Resources Allocation Under Climate Change Scenarios: A Case of Great Ruaha River Subbasin, Tanzania, 2021 Bookmark Format Single study
4815. Oral Histories with Gypsy and Traveller Community Members and Prisoners, Professional Interviews, and Crime Survey Data from the ESRC Project 'Gypsy and Traveller Experiences of Crime and Justice Since the 1960s', 2020-2023 Bookmark Format Single study
4819. Oregon Youth Study (1984-2022) [Three Generational Study (3GS)] Bookmark Format Series - ongoing