By Châtelet, François.
Madrid Editorial Tecnos 1987 .
302 p. , Translation of: Histoire des idées politiques. 8430914064

By Duhamel, Olivier.
Bogotá Universidad de los Andes, Facultad de Derecho | TM Editores 1997 .
xviii, 420 p. , Includes translated selections of: Droit constitutional et politique, 1993, by Olivier Duhamel; with additional text by O. Duhamel and Manuel José Cepeda Espinosa. 21 cm..
9586016706 (pbk.)