Players Handbook: http://orc-news.ru/dnd5eng.pdf
Dungeon Master Guide: http://online.anyflip.com/ceso/evpv/mobile/index.html
Monster Manual: https://online.anyflip.com/duex/ixpz/mobile/index.html
Xanathar’s Guide to Everything
Volos Guide to Monsters: http://online.anyflip.com/ivdl/runb/mobile/index.html
Xanthar's Guide to Everything: http://anyflip.com/afgs/bmvo
Mordenkainen’s Tome of Foes: http://online.anyflip.com/afgs/ibpl/mobile/index.html
Elemental Evil Player’s Companion: https://media.dnd.wizards.com/EE-Players-Companion_0_0.pdf
Sword Coast Adventurer’s Guide: http://online.anyflip.com/opng/ahma/mobile/index.html
Is this list complete?:
List of D&D Books: https://www.dndtomb.com/resources/dnd-5e-books/
The following are things I found on the internet.I don't know if they are real/cannon and would like to be sure before picking from them:
Expanded Racial Feats: https://lawfulgoodrogue.com/wp-content/uploads/2017/11/Expanded-Expanded-Racial-Feats.pdf