Vere Foster's simple lessons in water-color, flowers : eight facsimiles of original water-color drawings and numerous outline drawings of flowers, after various artists, with full instructions for drawing and painting (1884)
Foster, Vere, 1819-1900 · London : Blackie & Son · leaf 14
l the colors required to compose them are as follows : — For palest green, Lemon Yellow and Cobalt Blue in varying proportions. For the bluish grey tints, mixtures of French Blue and Naples Yellow. Then to give the clear or transparent green tint, use Gamboge and Prussian Blue; while all the… … Solomon's Seal (from South Kensington Drawing-Book).
Watercolor painting
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.