21. The social contract theorists : critical essays on Hobbes, Locke, and Rousseau / edited by Christopher W. Morris. Lanham, Md. : Rowman & Littlefield, c1999. Book ReCAP - Remote Storage » JC336 .S526 1999
22. Mill's On liberty : critical essays / edited by Gerald Dworkin. Lanham, Md. : Rowman & Littlefield Publishers, c1997. Book ReCAP - Remote Storage » JC585.M75 M55 1997