[1] The Second Treatise on Government, by J.Locke, published 1689; summarised in Locke on Government, by D.A.Lloyd Thomas, published 1995 by Routledge.
[2] Areopagitica, a Speech of Mr. John Milton for the Liberty of Unlicensed Printing, to the Parliament of England, by J. Milton, published 1644 (without publisher); in Areopagitica and Other Political Writings of John Milton, edited by John Alvis, published 1999 by Liberty Fund, Inc.
[3] Intelligent Person's Guide to Liberalism, by C.Russell, published 1999 by Duckworth.
[4] On Liberty, by J.S.Mill, published 1859 by Longman, Roberts & Green; in J. S. Mill: 'On Liberty' and Other Writings, edited by Stefan Collini, published 1989 by C.U.P.
[5] Principles of Political Economy with some of their Applications to Social Philosophy, by John Stuart Mill, published 1848 by John W. Parker
[6] Lectures on the Principles of Political Obligation, by T.H.Green published 1885; in T.H.Green Lectures on the Principles of Political Obligation and Other Writings, edited by P. Harris & J. Morrow, published 1986 by Cambridge University Press.
[7] Liberalism, by L.T.Hobhouse, published 1911 by Home University of Modern Knowledge; in Hobhouse Liberalism and Other Writings, edited by J.Meadowcroft, published 1994 by Cambridge University Press.
[8] Britain's Industrial Future, being the Report of the Liberal Industrial Inquiry (known as "The Yellow Book"), published 1928 by Ernest Benn Ltd.
[9] The Theory and Practice of Community Politics, by B.Greaves & G.Lishman, published 1980 by the Association of Liberal Councillors.
[10] The Constitution of the Liberal Democrats, published 1988, amended 1993, by Liberal Democrat publications.
[11] Its All About Freedom, the report of the Liberal Democracy Working Group, published 2002 by Liberal Democrat Publications.