The pears of New York

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Annal of Horticulture and yearbook of information on practical gardening. 5 Volumes. London: 1846-1850.

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Annals of Horticulture in North America for the Years 1889-1893. A Witness of Passing Events and a Record of Progress. By L. H. Bailey. New York: 1890-1894. Copyrights, 1889, 1891-1894.

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Traité de la Culture Fruitière Commerciale et Bourgeoise. Par Charles Baltet. (Illustré.) Quatrième Édition. Paris: 1908.

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