Gustav Bauer: female cyclist, advertisement illustration, in: Sächsische Radfahrer-Zeitung, Leipzig 1899, 19. August 1899, p. 344, https://commons.wikimedia.org/wiki/File:Radfahrerin,_1899.svg.
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Gustav Bauer: female cyclist, advertisement illustration, in: Sächsische Radfahrer-Zeitung, Leipzig 1899, 19. August 1899, p. 344, https://commons.wikimedia.org/wiki/File:Radfahrerin,_1899.svg. |
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| Part of: Serbe-Kamp É, Bemme J, Pollak DJ, Mayer K (2023) Open Citizen Science: fostering open knowledge with participation. Research Ideas and Outcomes 9: e96476. https://doi.org/10.3897/rio.9.e96476 |
