Labor union membership in 1966.
Series: Current population reports -- no. 216
Publisher: U.S. G.P.O.
Published: 1971
Place of publication: Washington, D.C
Language: eng
Number of pages: 24
Subjects: Collective bargaining unit -- United States.; Labor unions -- United States.; Working class -- United States -- Statistics.
Notes: "March 8, 1971."

Bound with: Educational attainment in 30 selected standard metropolitan statistical areas: 1967.