Downing, A. J., & Sargent, H. W. (1860). A treatise on the theory and practice of landscape gardening, adapted to North America: With a view to the improvement of country residences ... With remarks on rural architecture (6th ed. enl., rev., and newly illustrated.). C. M. Saxton; H. H. Bancroft & Co..

Downing, A. J., and Henry Winthrop Sargent. A Treatise on the Theory and Practice of Landscape Gardening, Adapted to North America: With a View to the Improvement of Country Residences ... With Remarks on Rural Architecture. 6th ed. enl., rev., and newly illustrated. New York, San Francisco: C. M. Saxton; H. H. Bancroft & Co., 1860.

Downing, A. J., and Henry Winthrop Sargent. A Treatise on the Theory and Practice of Landscape Gardening, Adapted to North America: With a View to the Improvement of Country Residences ... With Remarks on Rural Architecture. 6th ed. enl., rev., and newly illustrated. C. M. Saxton; H. H. Bancroft & Co., 1860.