Online Books by
Robert Knuds Friedrich Pilger
(Pilger, Robert Knuds Friedrich, 1876-)
Books from the extended shelves:
Pilger, Robert Knuds Friedrich, 1876-: Corallinaceae aus dem westlichen Indischen Ozean (E. Schweizerbartsche Verlagsbuchhandlung, 1908) (page images at HathiTrust)
Pilger, Robert Knuds Friedrich, 1876-: Die algen (J. Springer, 1914), also by Gustav Lindau (page images at HathiTrust)
Pilger, Robert Knuds Friedrich, 1876-: Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender fachgelehrten begründet (W. Engelmann, 1887), also by Kurt Krause, Karl Anton Eugen Prantl, and Aldolf Engler (page images at HathiTrust)
Pilger, Robert Knuds Friedrich, 1876-: Kryptogamenflora für Anfänger ... (1928), also by Gustav Lindau (page images at HathiTrust)
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