Author:Franz Joseph Andreas Nicolaus Unger

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Franz Joseph Andreas Nicolaus Unger
Austrian botanist, paleontologist and plant physiologist
Franz Joseph Andreas Nicolaus Unger


  • "On the principal plants used as food by man" in Annual Report of the Commissioner of Patents for the year 1859 part 2 (1860)

Works by this author published before January 1, 1926 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.