The dictionary of British book illustrators and caricaturists, 1800-1914

by Houfe, Simon
Published 1981

Über künstlerische Plakate : Eine Betrachtung angeregt durch die Sammlung des Herrn Dr. Ottokar Masche in Wien

by Ottmann, Franz
Published in Die graphischen Künste (1914)

The dictionary of British book illustrators and caricaturists, 1800 - 1914 : with introductory chapters on the rise and progress of the art

by Houfe, Simon
Published 1978

Dictionnaire des illustrateurs : (illustrateurs, caricaturistes et affichistes)

by Osterwalder, Markus
Published 1983