Part 2, some further references that were useful and/or interesting, these authors have done more work since, so if you are interested, look them up and see where they may have taken things (except for the ones who are no longer living of course)
Discussion
Francis D.K. Ching, you may know him already, his many books are used all over the world and are super clear and good references for perspective drawing generally 
This book is a very thorough reference and drawing class in and of itself 
These authors are great, look into them if you like. They have written and done interesting things since this one, but I like this one a lot, brings time into the process 
thank you so much this is awesome 🙏
Now for another aspect, conceptual and theoretical grounding. Take it or leave it, but if you take it, these are great writers and I love their work:
























