973.9
Las 
A
      Laski , Harold Joseph , 1893 - 1950
        The American presidency ; su interpretation (by)
        Harold  J . Laski , New York , Grosset & Dunlap (1968)
         viii,278 p .  20 cm .  (The Universal library , UL 40 )
              Notas bibliograficas al pie de las paginas .