TY  - BOOK
AU  - Petty William
TI  - Petty papers :  Some unpublished writings. V1. Ed b   
T2  - Reprints of Economic Classics
U1  - XxK23x, F7.1 
PY  - 1927///
CY  - London
PB  - Constable          
N1  - Appendix: P 285-86
ER  -