Crayon portraiture; complete instructions for making crayon portraits on crayon paper and on platinum, silver, and bromide enlargements, also directions for the use of transparent liquid water colors and for making French crystals (1892)
Barhydt, Jerome A · New York, The Baker & Taylor co · leaf 46
Crayon drawing · Photographs -- Coloring · Colors
Internet Archive · New York Public Library · Public domain (published before 1931). Free to use for anything.
