Darlington, Arnold, The Poket encyclopedia of plant galls in colour / by Arnold Darlington, With illus. by M. J. D. Hirons. - London : Blandford Press, 1968. - 191 pages : illustrations (part colors) ; 19 cm. p. 9-10. ISBN: 0713704713 Subjects--Topical Terms: Galls (Botany)--Encyclopedias.