Schnell, Leoni2023-11-222023-11-222023https://mediarep.org/handle/doc/21387deuCreative Commons Attribution 3.0 GenericMedienwissenschaftFotografiegeschichte770Sarah Dellmann, Frank Kessler: A Million Pictures: Magic Lantern Slides in the History of Learning10.25969/mediarep/201632196-4270