Text ( visual ) : unmediated The Russell Sage Foundation : social research and social action in America, 1907-1947 : guide to the microfiche collection / David C. Hammack. -- Frederick, Md. : UPA Academic Editions , c1988. -- 114 p. ; 23 cm. -- ISBN 0886921511 ; (BA26010896) ; https://ci.nii.ac.jp/ncid/BA26010896 Author Heading(s): Hammack, David C. ; Russell Sage Foundation

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