1. The masterpieces in the National Gallery London: 222 reprod. from the orig Creator: Voll, Karl Publisher: Hanfstaengl Format: print and xviii, 210 s. Type: model:monograph and TEXT Language: English and German Description: with a preface by Karl Voll. and Popisky reprodukcí v němčině a angličtině. Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public