The Concept of Law (Clarendon Law) (Clarendon Law Series). Clarendon Law Series. ASIN0199644705.. However, key ideas in the book have also received fundamental reiterated criticism. For a summary, see C. M. Campbell, "The Career of the Concept" in P. Leith and P. Ingram (eds.) The Jurisprudence of Orthodoxy. London, Routledge, 1988, 1-25.
Sugarman, David; Hart, H. L. A. (2005). "Hart Interviewed: H.L.A. Hart in Conversation with David Sugarman". Journal of Law and Society. 32 (2). Blackwell: 267–293. doi:10.1111/j.1467-6478.2005.00324.x. JSTOR3557228.
jstor.org
Sugarman, David; Hart, H. L. A. (2005). "Hart Interviewed: H.L.A. Hart in Conversation with David Sugarman". Journal of Law and Society. 32 (2). Blackwell: 267–293. doi:10.1111/j.1467-6478.2005.00324.x. JSTOR3557228.