Nickel, Carl. Creating and painting in watercolor. - [1st ed.] - Garden City, N.Y. Doubleday 1972. - 130 p. illus. 22 x 28 cm. LCCN: 79150909 //r85 Subjects--Topical Terms: Watercolor painting--Technique. LC Class. No.: ND2420 / .N5 Dewey Class. No.: 751.4/22