http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
v. 1. Study design, procedures, available data.--v. 2. Tape codes and indexes.
[James N. Morgan, principal researcher].
"1968-1972 interviewing years (Waves I-V)"
Supersedes A panel study of income dynamics: study design, procedures, and forms; a report on research in progress, by J. N. Morgan and J. D. Smith.