Text ( visual ) : unmediated Sex, discrimination, and the division of labor / Cynthia B. Lloyd, editor. -- : pbk. -- New York : Columbia University Press , 1975. -- xiv, 431 p. : ill. ; 23 cm. -- (Columbia studies in economics ; 8). -- Bibliography: p. [427]-431. -- ISBN 0231037503 ; 0231037511 ; (BA1251894X) ; https://ci.nii.ac.jp/ncid/BA1251894X Author Heading(s): Lloyd, Cynthia B.. -- Classification(s): LCC : HD6095 ; DC : 331.4/0973. -- Subject Heading(s): LCSH : Women -- Employment -- United States -- Addresses, essays, lectures ; LCSH : Sex discrimination in employment -- United States -- Addresses, essays, lectures ; LCSH : Sex discrimination against women -- United States -- Addresses, essays, lectures ; LCSH : Feminism -- United States -- Addresses, essays, lectures