2 Free Images of Otto Roth (biologist)

historyhistorical20th-century black and white portrait photographs of men at bust lengthblack and white portrait photographs of male scientistsphotographs by johannes meiner
ETH-BIB-Roth, Otto (1853-1927)-Portrait-Portr 01251.tif (cropped)
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Otto Roth - ETH BIB Portr 01251 (Johannes Meiner)
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