66. Governments' Economic Responses to COVID-19 (Econ-Response2covid19) Bookmark Format Series - ongoing
74. IPUMS TERRA (Terra Populus: Integrated Data on Population and Environment) Bookmark Format Data archive or collection
75. Low- and Middle-Income Country Primary Health Care Expenditures Bookmark Format Series - completed
76. Measurement of Cross-cutting Cleavages and Other Multidimensional Cleavage Structures Bookmark Format Series - ongoing