TY  - BOOK
AU  - Abulafia,David
AU  - Berend,Nora
TI  - Medieval frontiers: concepts and practices 
AV  - D21.5 .M435 2016
U1  - 911/.4 21
PY  - 2016///
CY  - London, [England], New York, New York
PB  - Routledge
KW  - Frontier and pioneer life
KW  - Europe
KW  - Congresses
KW  - Historical geography
KW  - Boundaries
KW  - History
KW  - To 1500
KW  - Mediterranean Region
KW  - Electronic books
N1  - Includes index
UR  - https://ebookcentral.proquest.com/lib/nird-ebooks/detail.action?docID=4817199
ER  -