List of PDFs

Player's Handbook: https://archive.org/details/dn-d-5e-players-handbook-bn-w-ocr-1/page/n141/mode/2up
Monsters of the Multiverse: https://archive.org/details/mordenkainen-presents-monsters-of-the-multiverse-dungeon-dragons-book-ocr/page/n89/mode/2up
Xanathar's Guide to Everything: https://archive.org/details/d-d-5-e-xanathars-guide-to-everything/mode/2up?view=theater
Tasha's Cauldron of Everything: https://github.com/EllatharTheHalfling/DnD-Books/blob/master/5e/Books/D%26D%205E%20-%20Tasha%27s%20Cauldron%20of%20Everything.pdf
I'm not super well versed with modern 5e, so let me know if I'm missing something. MotM seems to cover and rework all the non base game races.