His Microeconomic analysis, c1978: t.p. (Hal R. Varian)

Variants in economic theory, 1999: CIP t.p. (Hal R. Varian; dean, Sch. of Information Mgt. and Systems, U. of Calif. at Berkeley) galley (masters in math., Ph.D. in economics, Berkeley)

Biblioteca del congreso (Estados Unidos), 09 octubre 2017: catálogo electrónico https://goo.gl/1SoMzT