請求番号:M-H:231:1.3
Origins of the medieval world / William Carroll Bark. -- Original ed. -- Stanford University Press, 1958. -- ix, 162 p. ; 22 cm.
請求番号:M-H:231:2
Barbarians to angels : the Dark Ages reconsidered / Peter S. Wells. -- W.W. Norton, c2008. -- xv, 240 p. : ill., maps ; 22 cm.