A drawing I did a while ago, of Donald Duck and Neighbor Jones, with a Pergamano Tracing Pen on A4 paper, in a Milt Gross page I redrew and slightly altered.
It is one of those boons of Hunt's Talks About Art (1883) to not only justify copying - even tracing drawings is defended, which wonderful little book contains many other merits.
And in this book a Jesuit scholar states that Descartes isn't really dead, and that he lives on the moon.