1. Future of Families and Child Wellbeing Study (FFCWS) / Fragile Families and Child Wellbeing Study Bookmark Format Series - ongoing
3. Time, Love, and Cash in Couples With Children Study (TLC3) [United States], 2000-2005 Bookmark Format Single study
4. Welfare, Children, and Families: A Three-City Study (1999-2006) Bookmark Format Series - completed