TY  - BOOK
AU  - White,Lynn Townsend
TI  - Medieval technology and social change
U1  -  901.92 23rd ed. 
PY  - 1962///
CY  - Oxford
PB  - Oxford University Press
KW  - Civilization, Medieval
KW  - Technology and civilization
KW  - Social history
KW  - Medieval, 500-1500
N1  - Includes index
ER  -