Auteur : Otto Rietmann Crédits : Abbildung übernommen aus Wolfgang G. Vögele, Der andere Rudolf Steiner - Augenzeugenbrichte, Interviews, Karikaturen, 2005, S. 116 Licence : Public domain
Auteur : Boissonnas et Eggler, St. Petersburg, Nevsky 24. – Bain News Service, publisher. Crédits : This image is available from the United States Library of Congress's Prints and Photographs division under the digital ID ggbain.38336. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing for more information. Licence : Public domain
Auteur : André Taponier (1869-1930) Crédits : This file comes from Gallica Digital Library and is available under the digital ID bpt6k1158629t/f28 Licence : Public domain
Auteur : UnknownUnknown , uploaded, stitched and restored by Jebulon Crédits : This file comes from Gallica Digital Library and is available under the digital ID btv1b84386592/f9 Licence : Public domain