* Wailes, Benjamin L. C., 29 December 1829, describing [[Lemon Hill]], estate of Henry Pratt, Philadelphia, Pa. (quoted in Moore 1954: 359) <ref>John Hebron Moore, ‘A View of Philadelphia in 1829: Selections from the Journal of B.L.C. Wailes of Natchez’, ''Pennsylvania Magazine of History and Biography'', 78 (July) (1954), 353–60, [https://www.zotero.org/groups/54737/items/itemKey/Z9IBV7A4 view on Zotero].</ref>
: “But the most enchanting [[prospect]] is towards the grand pleasure [[grove]] & [[green house]] of a Mr. Prat[t], a gentleman of fortune, and to this we next proceeded by a circutous rout [''sic''], passing in view of the fish [[pond]]s, '''bowers''', rustic retreats, [[summer house]]s, [[fountain]]s, [[grotto]], &c., &c.”
Changes - History of Early American Landscape Design
A Project of the Center for Advanced Study in the Visual Arts, National Gallery of Art
History of Early American Landscape Design

Changes

[http://www.nga.gov/content/ngaweb/research/casva/research-projects.html A Project of the National Gallery of Art, Center for Advanced Study in the Visual Arts ]
A Project of the Center for Advanced Study in the Visual Arts

National Gallery of Art, Washington