TY  - BOOK
AU  - Duby, Georges
TI  - The Three Orders: Feudal Society Imagined
SN  - 9780226167725
U1  - 321.30944 
PY  - 1980///
CY  - London
PB  - The University of Chicago Press
KW  - Feudalism -- France
KW  - Social history -- Medieval, 500-1500
KW  - France -- Social conditions
N1  - Foreword by Thomas N. Bisson
Acknowledgments
The field of Inquiry 
Part One: Revelation
1.First formulations
2.Gerard  of Cambrai and Peace
3.Adalbero of Laon and the Royal Mission
4.The System
ER  -