TY  - BOOK
AU  - Heers, Jacques.
TI  - Family clans in the middle ages: : Astudy of political and social structures in urban areas
T2  - Europe in the middle ages selected studies
SN  - 072049009x
U1  - 301.44 
PY  - 1979///
CY  - New York: 
PB  - North Holland Publishing Company, 
KW  - Family clans
KW  - Middle ages
KW  - Sociology
KW  - Urban areas
ER  -