The Evidence of American Garden History: Interpreting American Gardens through Words and Images
Mutual Assurance Society, Richmond, Declaration for Assurance Book, vol. 26, policy no. 2049, Insurance policy drawings for Mount Vernon, March 13, 1803.
Grecian vases, in A. J. Downing, A Treatise on the Theory and Practice of Landscape Gardening
(1849), p. 425, figs. 70–72.
Writing the Landscape: Text as Representations of and Sources for American Landscape Design History
John Notman, "Plan of Grounds, Fieldwood, near Princeton," Oct. 19, 1846.
Modes of Representation in American Landscape and Garden Design
—Anne L. Helmreich and Therese O'Malley