@book{110137, author = {Board of Celtic Studies, University of Wales and Cambrensis, Giraldus and Board of Celtic Studies, University of Wales}, title = {Speculum duorum : or, a mirror of two men : presented in the Vatican Library in Rome : Cod. Reg. Lat. 470}, publisher = { University of Wales Press, 1974}, address = {Cardiff}, note = {'Preserved in the Vatican Library in Rome, Cod. Reg. Lat.470'. - Parallel Latin text and English translation, English introduction and notes.} }