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Centralblatt fur Agrikulturchemie. 
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Journal of Ecology. 
Journal fur Landwirtschaft. 
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Revue generate de Botanique. 
Revue Horticole. 
Roses, Fine Books on, English and 
Foreign. 
Saccardo. Sylloge Fungorum. 
Zeitschrift des Vereins der Deut¬ 
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Zeitschrift fur Botanik. 
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