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Front matter
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Obituary: Un grand botaniste suisse : M. Emile Hassler
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Bibliography: Liste des publications d'Emile Hassler
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Article: L'exposition des botanistes genevois
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Article: Les collections d'Edmond Boissier et l' "Herbier Boissier"
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Article: Herboristions et protection de la flore en Valais
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