Crayon portraiture

Field's Chromatography or Treatise on Colours and Pigments as Used by Artists

Tratado das Cores Que consta de tres partes: analytica, synthetica, hermeneutica

Color Standards and Color Nomenclature With fifty-three colored plates and eleven hundred and fifteen named colors

Drawing in charcoal and crayon for the use of students and schools

Color mixing guide For artists, painters, decorators, printing pressmen, show card writers, sign painters, color mixers. Gives color mixtures by parts

How to paint permanent pictures