Preston-Mafham, Rod Cacti : the illustrated dictionary / Rod & Ken Preston-Mafham - Portland, Or. : Timber Press , 1997. - 223 p. : col. ill. ; 28 cm. Includes index. ISBN: 9780881924008 LCCN: 96045706 Subjects--Topical Terms: Cactus----Pictorial works LC Class. No.: SB438 / .P74 1997 Dewey Class. No.: 635.933 PRE