TY  - BOOK
AU  - Benjamin, Craig
TI  - The Cambridge world history: vol. 4, a world with states, empires, and networks1200 BCE - 900 CE  
SN  - 9781108407717
U1  - 909 
PY  - 2017///
CY  - UK 
PB  - Cambridge University Press 
KW  - Cities and towns
KW  - Middle Ages
KW  - Ancient history
KW  - History,
ER  -