Sketch Glitch FAQ by Satarack
https://www.gamefaqs.com/snes/554041-final-fantasy-iii/faqs/71889

Sketch TAS by Kilaye and Kadmony
http://tasvideos.org/4473S.html

Sketch Glitch Behaviors for US Version by KilayeJV
https://github.com/clementgallet/ff6-tas/blob/master/SketchGlitch.ods

Sketch Glitch Behavior for Japanese Version by KilayeJV
https://github.com/clementgallet/ff6-tas/blob/master/SketchGlitchJP.ods

Old Sketch Glitch Guide by MasterZED (OBSOLETE)
http://masterzed.cavesofnarshe.com/GameDocs/ff3sktch.txt