Oh there is plenty of documentation on these sorts of things, in the form of tradecraft manuals. The first example that comes to mind is the Speedball lettering

Oh there is plenty of documentation on these sorts of things, in the form of tradecraft manuals. The first example that comes to mind is the Speedball lettering manuals (https://www.printmag.com/design-inspiration/the-speedball-textbook/ https://www.printmag.com/design-inspiration/the-speedball-te...) but there’s other ones out there that have gone through many printings.