Olsen, Herb, 1905-1973. Herb Olsen's guide to watercolor landscape / [electronic resource] / by Herb Olsen.. — New York ; London : : Van Nostrand Teinhold,, 1965.. — 128 p. : : chiefly ill. (some col.) ; 31 cm. ISBN: 0442257848 (pbk.) : £9.70 9780442257842 (pbk.) LCCN: 65019677 Nat. Bib. No.: GB80-27395 Subjects--Topical Terms: Landscape painting--Technique.Watercolor painting--Technique. Subjects--Index Terms: Watercolour landscape paintings Techniques - Manuals LC Class. No.: ND2240 / .O4 1974 Dewey Class. No.: 751.42/2436