TY  - BOOK
AU  - Cunningham, William
TI  - An essay on western civilization in its economic aspects: ancient times 
AV  - HC 21 C93
PY  - 1924///
CY  - Cambridge, Eng.
PB  - Cambridge University
KW  - Civilización
KW  - Industrias
KW  - Historia
KW  - Comercio -
ER  -