D&D Classics: Player's Handbook (2E)
Publisher: Wizards of the Coast
System: 2E
Type: Core
https://store.steampowered.com/app/1057880
D&D Classics: Dungeon Masters Guide (2E)
Publisher: Wizards of the Coast
System: 2E
Type: Core
https://store.steampowered.com/app/1057900
D&D Classics: Monstrous Manual (2E)
Publisher: Wizards of the Coast
System: 2E
Type: Core
https://store.steampowered.com/app/1057920
D&D Classics: N1 Against the Cult of the Reptile God (2E)
Publisher: Wizards of the Coast
System: 2E
Type: Adventure
https://store.steampowered.com/app/1057970
Dungeon Crawl Classics Ruleset
Publisher: Goodman Games
System: Dungeon Crawl Classics
Type: Ruleset
https://store.steampowered.com/app/1063430
Saints & Heroes, Volume 13
Publisher: Indie Publishers
System: Generic Add-ons
Type: Token Pack
https://store.steampowered.com/app/1064240
Creatures A-Z, Volume 9
Publisher: Indie Publishers
System: Generic Add-ons
Type: Token Pack
https://store.steampowered.com/app/1064230
Creatures A-Z, Volume 8
Publisher: Indie Publishers
System: Generic Add-ons
Type: Token Pack
https://store.steampowered.com/app/1047510