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  1. Analytical key to the natural orders of flowering-plants / by Franz Thonner.
    By: Thonner, Franz,
    Publication info: London :Macmillan,1895.
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: New York Botanical Garden
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  2. Dans la grande forêt d l'Afrique centrale. Mon voyage au Congo et a la Mongala en 1896.
    By: Thonner, Franz,
    Publication info: BruxellesSociété belge de librairie1899
    Holding Institution: University of Toronto - Robarts Library
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  3. Dans la grande forêt de l'Afrique centrale. Mon voyage au Congo et à la Mongala en 1896, par Franz Thonner. Ouvrage tr. de l'allemand et contenant 20 gravures dans le texte, 87 planches phototypiques et 3 cartes.
    By: Thonner, Franz, - L'Huillier, Henriette.
    Publication info: Bruxelles :Société belge de librairie,1899.
    Holding Institution: University of California Libraries (archive.org)
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  4. Exkursionsflora von Europa : Anleitung zum Bestimmen der Gattungen der europäischen Blütenpflanzen / von Franz Thonner.
    By: Thonner, Franz,
    Publication info: Berlin :R. Friedländer,1901.
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: New York Botanical Garden
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  5. The flowering plants of Africa; an analytical key to the genera of African phanerogams. By Fr. Thonner.
    By: Thonner, Franz,
    Publication info: London,Dulau & Co., Ltd.,1915.
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: New York Botanical Garden
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