Online text of the book by A.J. Downing, published in 1859, from Making of America Books.

An illustrated biography by Christopher Glynn Parker of one of the most important pre-Civil War designers and writers in America.

Brief biography from the Columbia Encyclopedia, Sixth Edition (2001).

A brief article and web links from Noted Relations on this American horticulturalist, nurseryman, architect and landscape architect.

Online text of the book by A. J. Downing with 320 illustrations, which was published in 1859. From Making of America.