https://dragoart.com/
Great drawing tutorials
https://www.drawingnow.com/
free how to draw, step by step, easy drawing lessons
https://www.antiquepatternlibrary.org/pub/PDF/H-WS009.pdf
Complete Course of Drawing (leaves)
Photoshop Training Channel
Excellent, clear-to-follow video tutorials
https://www.wikipedia.org/
Wikipedia is a compendium of the world’s knowledge. With notes, citations and references.
Online Illustration Classes
https://www.skillshare.com/browse/illustration?
https://www.youtube.com/@stuviewtv
Full of nostalgic goodness, Stuview TV celebrates the best of the 70s and 80s with weekly videos on YouTube and Classic Retro TV Quizzes.