R909.827
Cou
C
 Countries of the world and their leaders.  2 d. ed.  Detroit, Mich., Gale Research [c1975]
   1147 p. ilus., mapas. 24 cm. 

  ´´The U. S. Department of Stat´s report on status of the world´s nations, combined with its series of background notes portraying contemporary political and economic conditions...´´
  Bibliografía al fianl de los capítulos.