2. Consumer Expenditure Survey (CES) Series (1960-1961, 1972-1973, 1980+) [United States] Bookmark Format Series - ongoing
5. Monitoring the Future (MTF) Public-Use Cross-Sectional Datasets [1976+] Bookmark Format Series - ongoing
6. National Longitudinal Study of Adolescent to Adult Health (Add Health) Series, [1994-2018] Bookmark Format Series - ongoing