A. HRS 2018 Core (Early, Version 1.0)
hrs.isr.umich.edu/news/hrs-2018-core-early-version-10
B. Cross-Wave Imputation of Cognitive Functioning Measures 1992-2016 (Version 6.0)
hrs.isr.umich.edu/news/cross-wave-imputation-cognitive-functioning-measures-1992-2016-version-60