The provincial letters 

 - Chicago :   Encyclopaedia Britannica,   1987. 
 - 487 páginas 
 - Great Books of the Western World  ;   33 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Filosofia<br/>Religion
<br/><br/><label>Subjects--Index Terms: </label>Berkeley, George, 1685-1753 Hume, David, 1711-1776 Locke, John, 1632-1704 Pascal, Blaise, 1623-1662