Bureau memorandum
Federal Security Agency Social Security Board : For sale by the superintendent of documents, U.S. Govt. Print. Off
by S.J. Mushkin, Anne Scitovszky, Leila N. Small
Federal Security Agency Social Security Board : For sale by the superintendent of documents, U.S. Govt. Print. Off. 1946 Bureau memorandum no. 63
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Helen Hollingsworth and Margaret C. Klem
Federal security agency, Social security board, Bureau of research and statistics 1943 Bureau memorandum no. 51
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