Ryder, Edward J. Leafy salad vegetables / Edward J. Ryder. - Westport, Connecticut : AVI Publishing Company, c1979. - ix, 266 pages : illustrations ; 24 cm. Includes bibliographies and index. ISBN: 0870553232 LCCN: 79018713 Subjects--Topical Terms: Salad greens. LC Class. No.: SB351.S25 / R92 Dewey Class. No.: 635/.5