Text ( visual ) : unmediated Proceedings of the Cambridge Conference, 2015 / edited by Andrew M. Spencer, Carl Watkins. -- Woodbridge : Boydell Press , 2017. -- xiii, 206 p. : ill. (some col.) ; 24 cm. -- (Thirteenth century England ; 16). -- ISBN 9781783272655 ; (BB26159139) ; https://ci.nii.ac.jp/ncid/BB26159139 Author Heading(s): Conference on Thirteenth Century England ; Spencer, Andrew M. ; Watkins, Carl. -- Classification(s): DC23 : 942.034. -- Subject Heading(s): LCSH : Great Britain -- History -- Henry III, 1216-1272 -- Congresses ; LCSH : Great Britain -- Politics and government -- 1216-1272 -- Congresses