Hart, H.L. A. The Concept law. - Low priced ed. - Walton Street, Oxford: Oxford University Press, 1970 - viii, 263p.; 22cm "Y" ISBN: "0 19 442317 4" Subjects--Topical Terms: 1.Law(philosophical concept ) 2. Jurisprudence - methodology 3. Jurisprudence. Subjects--Index Terms: "Y" LC Class. No.: K237 / .H37