89. IPUMS TERRA (Terra Populus: Integrated Data on Population and Environment) Bookmark Format Data archive or collection
91. Low- and Middle-Income Country Oral Rehydration Therapy Coverage Geospatial Estimates 2000-2017 Bookmark Format Single study
92. Low- and Middle-Income Country Primary Health Care Expenditures Bookmark Format Series - completed
93. Low- and Middle-Income Drinking Country Water and Sanitation Facilities Access Geospatial Estimates 2000-2017 Bookmark Format Series - completed
94. Measurement of Cross-cutting Cleavages and Other Multidimensional Cleavage Structures Bookmark Format Series - ongoing