"Along with these three kinds of law goes a fourth, most important of all, which is not graven on tablets of marble or brass, but on the hearts of the citizens."
The Social Contract: or Principles of Political Right
Published in 1762. At least 8 entries in ESTC (1764, 1791, 1782, 1795).<br>
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Jean-Jacques Rousseau, <u>The Social Contract: or Principles of Political Right</u>. Trans. G. D. H. Cole. No. 660 of Everyman's Library. New York: E. P. Dutton and Co., 1913. &lt;<a href="http://etext.lib.virginia.edu/toc/modeng/public/RouSoci.html">Link to UVa Etext Center</a>&gt;<br>
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French text: <u>Du contrat social, ou principes du droit politique</u>, in <u>Collection complÃ¨te des Å“uvres</u>, 17 vols (GenÃ¨ve, 1780â€“1788). &lt;<a href="http://www.rousseauonline.ch/home.php">Rousseau Online</a>&gt;<br>
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See also <u>A Treatise on the Social Compact; or The Principles of Politic Law</u> (London: Printed for T. Becket, 1764). &lt;<a href="http://books.google.com/books?id=aXk3AQAAMAAJ">Link to Google Books</a>&gt;