Elementary instruction in the art of illuminating and missal painting on vellum : a guide to modern illuminators, with illustrations in outline as copies for the student (1860)
Laurent de Lara, D. (David), author · London : Longman, Green, Longman, and Roberts · leaf 86
ON TRACING AND TRANSFERRING. F a copy is to be made of any illu- mination, the easiest mode is by affixing a piece of French tracing paper on the back of the drawing,, and throwing it over the front ; begin with a fine-pointed hhh pencil, to draw an accurate outline of the whole, thin, pale and…
Illumination of books and manuscripts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.