Old Longitudinal Study Index of Social History Questions, Rounds 1-6-11, undated Box 77 Bookmark Collection Context Center for the Study of Aging and Human Development Records, 1952-2019Accession A2013.055, undated
Code Book, Duke Longitudinal Study I, Round I, August 1987 Box 77 Bookmark Collection Context Center for the Study of Aging and Human Development Records, 1952-2019Accession A2013.055, undated
Code Book, Duke Longitudinal Study I, Rounds VIII and IX, August 1987 Box 77 Bookmark Collection Context Center for the Study of Aging and Human Development Records, 1952-2019Accession A2013.055, undated
SDLS Wave IV, undated Box 77 Bookmark Collection Context Center for the Study of Aging and Human Development Records, 1952-2019Accession A2013.055, undated
SDLS Wave III, undated Box 77 Bookmark Collection Context Center for the Study of Aging and Human Development Records, 1952-2019Accession A2013.055, undated
Duke Longitudinal Duplicate Films, 1-20, undated Box 78 Bookmark Collection Context Center for the Study of Aging and Human Development Records, 1952-2019Accession A2013.055, undated
Duke Longitudinal Duplicate Films, 21-40, undated Box 78 Bookmark Collection Context Center for the Study of Aging and Human Development Records, 1952-2019Accession A2013.055, undated
Duke Longitudinal Duplicate Films, 41-60, undated Box 78 Bookmark Collection Context Center for the Study of Aging and Human Development Records, 1952-2019Accession A2013.055, undated
Duke Longitudinal Duplicate Films, 61-80, undated Box 79 Bookmark Collection Context Center for the Study of Aging and Human Development Records, 1952-2019Accession A2013.055, undated
Duke Longitudinal Duplicate Films, 81-100, undated Box 79 Bookmark Collection Context Center for the Study of Aging and Human Development Records, 1952-2019Accession A2013.055, undated