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Autore:Georg Johann Pfeffer

Georg Johann

Pfeffer XIX secolo/XX secolo zoologo tedesco

  1. 1,0 1,1 Gemeinsame Normdatei
  2. 2,0 2,1 2,2 2,3 Open Library
  3. 3,0 3,1 Stuttgart Database of Scientific Illustrators 1450–1950
  4. 4,0 4,1 Biodiversity Heritage Library
  5. 5,0 5,1 National Library of Australia