TY  - BOOK
AU  - Kammen,Michael
TI  - Spheres of liberty : : changing perceptions of liberty in American culture / 
SN  - 0-299-10840-6
PY  - 1986///
CY  - Madison ; , London : 
PB  - The University of Wisconsin Press, 
N1  - Indice; Bibliografía
ER  -