Hart, H. L. A. The concept of law by H. L. A. Hart. - London Oxford at the Clarendon Press c1961 - viii, 263 p. 23 cm. Includes index. Includes index and bibliography: p. 257-258. ISBN: 0198760728 Subjects--Topical Terms: JurisprudenceLaw--Philosophy. LC Class. No.: K 237 .H379 1961