Worth, Leslie.
The practice of watercolour painting. - [S.l.] : Watson-Guptill, c1977. - 138 p. ill. (pt. col.)
Includes bibliography and index.
Watercolor painting--Technique.
The practice of watercolour painting. - [S.l.] : Watson-Guptill, c1977. - 138 p. ill. (pt. col.)
Includes bibliography and index.
Watercolor painting--Technique.