Photo of a Spirit Medium with Ectoplasm (1913)

Albert von Schrenck-Notzing, "The medium Stanislawa P: emission and resorption of an ectoplasmic substance through the mouth", 23 June 1913, Gelatin silver print

Albert von Schrenck-Notzing, "The medium Stanislawa P: emission and resorption of an ectoplasmic substance through the mouth", 25 January 1913, Gelatin silver print