Stained glass work : a text-book for students and workers in glass (1905)
Whall, Christopher, 1849-1924 · New York : D. Appleton · leaf 67
the Garter at Windsor, examples of which Painting by the author’s courtesy I am allowed to (elementary) reproduce (figs. 22-22a), are ideal for bold outline-work, and fascinatingly inte- resting for their own sake. In most of these there is not only excellent practice in outline , and a great deal… … Fig. 21. it is a good thing to be learning side by side with the other. And here let me note that there are throughout the practice of glass-painting many methods in use at every stage. Each person, each firm of glass-stainers, has his own methods and traditions. I shall not trouble to notice all…
Glass painting and staining
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.