edited by Roman Norbert Ketterer with the cooperation of Wolfgang Henze ; introduction and commentaries on the plates by Claus Zoege von Manteuffel ; biography and bibliography by Hans BolligerAlpine Fine Arts Collection1995
biography and critical analysis by Julián Gállego ; catalogue of the works by José Gudiol ; translated from the Spanish by Kenneth LyonsAlpine Fine Arts Collection, Ltd.1987