TY  - BOOK
AU  - Gray,Howard Levi
TI  - English field systems / 
U1  - 333.760942 GRA 
PY  - 1915///, repr. 1959
CY  - Cambridge : 
PB  - Harvard University Press, 
KW  - Agriculture
KW  - England
KW  - History
KW  - Land tenure
KW  - Great Britain
KW  - Commons
KW  - Inclosures
ER  -