http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National longitudinal study base year, first, second, and third follow-up data file users manual
National longitudinal study of the high school class of 1972
National Center for Education Statistics
Center for Educational Research and Evaluation.
by Jay Levinsohn [and others], Center for Educational Research and Evaluation, Research Triangle Institute.
Prepared for the National Center for Education Statistics, January 1978.
Original edition April 1978; reprinted February 1979.