Rousseau, Jean-Jacques..
Basic Political Writings: Discource on the Sciences and the Arts ; Discource on the Origin of Inequality ; Discource on Political Economy ; On the Social Contract /
Translated and edited by Donald A. Cress; Introduced by Peter Gay 
. - Indianapolis;  Cambridge : Hackett Publishing Company,  1987 
. - xxii, 228 p.  23 cm. 
<br/><label>  ISBN: </label>0-87220-047-7