Social security sources in Federal records, 1934-1950.
Series: United States. Social Security Administration. Office of Research and Statistics. Research report; no. 30; Research report (United States. Social Security Administration. Office of Research and Statistics) ;; no. 30.
Publisher: Social Security Administration, Office of Research and Statistics; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1969
Place of publication: [Washington] U.S
Language: eng
Number of pages: 118
Subjects: Social security -- United States -- History -- Sources -- Bibliography.
Notes: Includes bibliographical references.