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Contributions from the Botanical Laboratory - University of Pennsylvania. Botanical Laboratory. (University of Pennsylvania Press, 1892)

Contributions from the Botanical Laboratory - University of Pennsylvania. Botanical Laboratory. (University of Pennsylvania Press, 1892)

The Gardener - Thomson, David, 1823 -1909 (W. Blackwood and sons, 1873)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1896)

The Gardeners' chronicle and agricultural gazette (published for the proprietors, 1868)

Hardy perennials and old-fashioned garden flowers. Describing the most desirable plants for borders, rockcries, and shrubberies, and including both foliage and flowering plants - Wood, John, of Woodville, Eng. (L.U. Gill, 1884)

Histoire naturelle des végétaux Phanérogames Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1840)

Histoire naturelle des végétaux Phanérogames Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1840)

The Journal of horticulture, cottage gardener and country gentlemen (George W. Johnson and Robert Hogg, 1868)

The Journal of horticulture, cottage gardener and country gentlemen (George W. Johnson and Robert Hogg, 1873)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1907)

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