Guanajuato  : Cerros y bajios, Testigos de la historia 
/ SEP 
 - Mexico  : SEP  , c1982. 
 - 208 p. enc.  : il. maps.  ; 50 
<br/><br/><label>ISBN: </label>968-80-0233-X 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Guanajuato (Estado)---Historia
<br/><br/><label>Dewey Class. No.: </label>972.24 SEC