Text ( visual ) : unmediated England in the twelfth century : proceedings of the 1988 Harlaxton Symposium / edited by Daniel Williams. -- Woodbridge, Suffolk : Boydell Press , 1990. -- xii, 260 p., [48] p. of plates : ill. ; 24 cm. -- Includes bibliographical references. -- ISBN 0851155316 ; (BA10683694) ; https://ci.nii.ac.jp/ncid/BA10683694 Author Heading(s): Harlaxton Symposium ; Williams, Daniel. -- Classification(s): LCC : DA195 ; DC20 : 942. -- Subject Heading(s): LCSH : Great Britain -- History -- Norman period, 1066-1154 -- Congresses ; LCSH : Great Britain -- History -- Angevin period, 1154-1216 -- Congresses ; LCSH : England -- Civilization -- Medieval period, 1066-1485 -- Congresses