Here are some useful links:
NWL Cheat Sheet:
https://www.cross-tables.com/download/CHEAT_PRO_2021.pdf
Collins Cheat Sheet:
Part 1: http://scrabbleplayers.org/wiki/images/4/4c/Collins_Cheat_Sheet_CSW21_Part_1_of_2.pdf
Part 2: http://scrabbleplayers.org/wiki/images/8/89/Collins_Cheat_Sheet_CSW21_Part_2_of_2.pdf
Cheat Sheet from Collins Cooperative (CoCo) with CSW-only words in red:
https://drive.google.com/file/d/1Dy75zxAfDSIP8nZO4Muyns4xubIbOQ51/view
Here is a local copy of that in case you can’t access Google Docs.
https://bridgewaterscrabble.org/uploads/cheat-sheet-coco.pdf
Here are some useful downloadable items from this site:
If you would like your favorite scoresheet to be added here, send a PDF of it to Ed.