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  1. By: Koorders, Sijfert Hendrik, - Valeton, Theodoric,
    Publication info: Lieden, Buch- und Steindruckerei, 1913-18
    Holding Institution: Harvard University Botany Libraries
  2. By: Koorders, Sijfert Hendrik, - Valeton, Theodoric,
    Publication info: Batavia, G. Kolff & co, 1894-1914
    Holding Institution: Harvard University Botany Libraries
  3. By: Koorders, Sijfert Hendrik,
    Publication info: Amsterdam, J. Mller, 1907
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: New York Botanical Garden
  4. By: Janssonius, Hindrik Haijo, - Koorders, Sijfert Hendrik, - Moll, J. W. (Jan Willem),
    Publication info: Leiden, E.J. Brill, 1906-
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  5. By: Janssonius, Hindrik Haijo, - Moll, J. W. (Jan Willem), - Koorders, Sijfert Hendrik,
    Publication info: Leiden, E. J. Brill, 1906 [i.e. 1908]-36
    Holding Institution: NCSU Libraries (archive.org)
  6. By: Koorders, Sijfert Hendrik,
    Publication info: Batavia, G. Kolff, 1914
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: New York Botanical Garden
  7. By: Koorders, Sijfert Hendrik,
    Publication info: Batavia, G. Kolff, 1894
    Holding Institution: Harvard University Botany Libraries
  1. By: Koorders, Sijfert Hendrik,
    Type: Article
    In: Bulletin du Jardin botanique de Buitenzorg
    Volume: 1
    Series: 3
    Date: 1918
    Page Range: 77--80
    Publication Info: Buitenzorg [etc.],