Landscaping. - Mount Vernon, Va. : American Horticultural Society, c1982. - 144 p. : col. ill. ; 29 cm. - The American Horticultural Society illustrated encyclopedia of gardening . - Illustrated encyclopedia of gardening. . Includes index. LCCN: 81069392 Subjects--Topical Terms: Landscape gardening. LC Class. No.: SB473 / .L368 1982 Dewey Class. No.: 712