Lectures on jurisprudence : or, The philosophy of positive law / John Austin. Philosophy of positive law Austin, John, 1790-1859. Campbell, Robert, 1832-1912. Austin, Sarah, 1793-1867. Jurisprudence. 340.104 AUL Paged continuously. Contains Mrs. Austin's prefaces to the editions of 1861 and 1863. "Fifth edition, November, 1885, reprinted, April, 1895, reprinted, March, 1911." Includes index. Bibliography: v.1, p.ix-xiii. London : J. Murray, 1911. 1911. 1911 Text 507 p. ; eng