I sent a email to Lawful Masses with Leonard French, he is a copyright attorney and has youtube channel that deals with copyright material asking if he could cover this and asked for his opinion if this would fall under fair use.
I do believe it does fall under fair use based on his passed...
@ ForgedAnvil just wanted to say thanks for the sheet, sucks about the takedown. I hope you still continue your work and host it elsewhere under a new name. If need ideas pm me.