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J. C. Loudon, Plan of a ferme ornée with wild and irregular hedges, in An encyclopædia of gardening; comprising the theory and practice of horticulture, floriculture, arboriculture, and landscape-gardening, including all the latest improvements; a general history of gardening in all countries; and a statistical view of its present state with suggestions for its future progress, in the British Isles. By J.C. Loudon. . . Illustrated with many hundred engravings on wood by Branston (1826) +
Benjamin Henry Latrobe, Plan of the Camp, Methodist camp meeting at Georgetown, Virginia, August 6, 1809 +
Anonymous, "Plan of the foregoing grounds as a Country Seat, after ten years’ improvement," in A. J. Downing, A Treatise on the Theory and Practice of Landscape Gardening," (1849), 114, fig. 24. +
Anonymous, Section of a small, low-cost, wood frame "green-house," Horticulturist, Vol. 6, No. 1 (January 1851) +
Thomas S. Sinclair, Plan of the Pleasure Grounds and Farm of the Pennsylvania Hospital for the Insane at Philadelphia, 1848 +