Graf, Alfred Byrd. Exotic plant manual; fascinating plants to live with their requirements, propagation and use - 5 ed. - East Rutherford, N.L. : Roehrs, 1980 - 840 p. : ilus LCCN: 14767 Subjects--Topical Terms: Botánica--Trópicos.Plantas ornamentales. Dewey Class. No.: 635.9 / G72 1980