Wiles, R. Garden structures / by Richard Wiles - [2nd] ed. - London : Mitchell Beazley, 1992. - 191 p. : ill., plans ; 23 cm. - Royal Horticultural Society's encyclopedia of practical gardening . Previous ed.: 1990. Includes bibliographical references and index. ISBN: 1857329015 1840001577 (1999 repr.) Source: R-22938 Nat. Bib. No.: GB 92-22630 Subjects--Topical Terms: Garden structures. LC Class. No.: SB469.3 / E59