TY  - BOOK
AU  - Karl Leyser
TI  - Communications and Power in Medieval Europe The Gregorian Revolution and Beyond
SN  - 9781472598783
PY  - 1994///
PB  - Bloomsbury
UR  - https://doi.org/10.5040/9781472598783?locatt=label:secondary_bloomsburyCollections
ER  -