Text ( visual ) : unmediated Human capital : a theoretical and empirical analysis, with special reference to education / by Gary S. Becker. -- New York : National Bureau of Economic Research ; New York ; London : Distributed by Columbia University Press , 1964. -- xvi, 187 p. : ill. ; 24 cm. -- (National Bureau of Economic Research general series ; no. 80). -- Bibliographical footnotes. -- (BA03150739) ; https://ci.nii.ac.jp/ncid/BA03150739 Author Heading(s): Becker, Gary Stanley. -- Classification(s): LCC : LB2321 ; DC : 370.1. -- Subject Heading(s): LCSH : Education -- Economic aspects ; LCSH : Vocational guidance ; LCSH : Human capital