TY  - BOOK
AU  - Willigan,J Dennis  .
AU  - Lynch,Katherine A .
TI  - Sources and methods of historical demography / 
T2  - Studies in social discontinuity, 
SN  - 0127570209
U1  - 304.609 
PY  - 1982///
CY  - London : 
PB  - Academic Press , 
KW  - POPULATION -HISTORY
N1  - Includes index
ER  -