Gleichgewichts. «Spielerische Gymnastik». Photographische Aufnahmen von Friedrich Seidenstücker. Balance. Exercise on the knees. «Playful gymnastics». Photographs by Friedrich Seidenstücker Scherl’s Magazin, Heft 5, Mai 1930. | src arthistoricum ~ Universität Erfurt
Anna Robenne interviewed by George Engelhardt. Art Lovers Magazine, December 1925 issue. Published monthly by Art Publications, Inc. | src internet archive
Gerhard Riebicke :: Sports, two athletes warming up before their training, ca. 1930. Published in ‘Berliner Illustrierte Zeitung’ 01-06-1930. | src Getty Images
Gerhard Riebicke :: Sports, gymnastics, a woman at gymnastics exercises on the beach, ca. 1940. Published by ‘Die Gruene Post’ 31/1940. | src Getty Images
Gerhard Riebicke :: Sports, gymnastics, a woman at gymnastics exercises on the beach, ca. 1940. Published by ‘Die Gruene Post’ 31/1940. | src Getty Images
Gerhard Riebicke :: Sports, gymnastics: women at a gymnastic exercise on the beach, 1927. Published by ‘Das Blatt der Hausfrau’ 21/1927. | src Getty Images
Gerhard Riebicke :: Outdoor gymnastics & dancing Rhythmic gymnastics by a student of the Jutta Klamt School, 1928. Published in Berliner Zeitung on 14-10-1928. | src Getty Images
Gerhard Riebicke :: Outdoor gymnastics & dancing. Naked woman jumping high in the air, 1925. Published in UHU magazine 5/1925 (sic). | src Getty Images
Hochsprung [High jump] (Phot. Riebicke). UHU Magazin, Februar 1926, Band 2, Heft 5. | src Flickr