All Backgrounds
Player's Handbook
Eberron - Rising from the Last War
Unearthed Arcana 81 - Heroes of Krynn
Dragonlance: Shadow of the Dragon Queen
Unearthed Arcana 85 - Wonders of the Multiverse
Planescape - Adventures in the Multiverse
The Book of Many Things
Tal'Dorei Campaign Setting Reborn
Bigby Presents - Glory of the Giants
Strixhaven: A Curriculum of Chaos
Tomb of Annihilation
Spelljamer: Adventures in Space - Astral Adventurer's Guide
Mythic Odysseys of Theros
Guildmaster's Guide to Ravnica
Curse of Strahd: Optional Backgrounds
Mulmaster Bonds and Backgrounds
Acquisitions Incorporated
Sword Coast Adventurer's Guide
State of Hillsfar
Plane Shift - Amonkhet
Baldur's Gate - Descent into Avernus
The Wild Beyond the Witchlight
Ghosts of Saltmarsh
Explorer's Guide to Wildemount
Curse of Strahd
Unknown
Plane Shift - Innistrad
Van Richten's Guide to Ravenloft