Karl Hahn :: Die rote Maske. Jugend: Münchner illustrierte Wochenschrift für Kunst und Leben, 1927, Band 1-2 (Nr. 1-54) | src Universitätsbibliothek Heidelberg
Arnold Genthe :: The Dance: Allegro. Dancer Hilda Beyer. From a negative taken June 27, 1913. Lantern slide. Title from a similar image in: As I remember. Arnold Genthe. New York: Reynal & Hitchcock, 1936, facing p. 203.| src Library of Congress