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====== Karl Mortitz Schumann (1851-1904) ======

===== Gesamtbeschreibung der Kakteen =====
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This is the original edition of 1899 (supplement of 1903 not included). The first monograph devoted to cacti. 832 pages and 117 illustrations of various quality.\\ 

  *  **[[http://botanicus.org/page/1123924 |Read online]]**
  *  **Download :**
    * The pdf file containing both the original and an "interpreted text" (poor quality) can be downloaded from [[http://www.botanicus.org/browse|Missouri Botanical Garden Library]]((Visit this library to find more books and to know the copyright rules [clic their "copyright" tab])) under the name [[http://www.botanicus.org/botanicus11/b12023954/31753002553771/31753002553771.pdf
|31753002553771.pdf]].((If you use this file, you must comply with the rules of the library))
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Right: Leuchtenbergia principis, page 471.