Harrison, Hazel, 1934- Masterstrokes watercolour a step-by-step guide to learning from the masters / [Book] : Hazel Harrison. - London : Apple, c1999. - 96 p. : col. ill. ; 30 cm. Includes index. All. ISBN: 1840921625 Subjects--Topical Terms: Watercolor painting.Watercolor painting--Technique. Dewey Class. No.: 751.422