TY  - BOOK
AU  - White,Lynn,Jr
TI  - Medieval technology and social change
AV  - CB353 .W5
PY  - 1962///
CY  - Oxford : 
PB  - oxford university Press , 
KW  - Civilization , Medieval
KW  - Social history
KW  - Medieval, 500-1500
KW  - Technology and civilization
ER  -