Analysis: Nobody could dethrone 'Dungeons & Dragons' except Wizards of the Coast — and it may have done just that – GeekWire
DMDavid Dungeons & Dragons design, advice, tools and inspiration
OGL 1.1/1.2 - The Washington Post Picks Up on the D&D OGL Controversy - Bad Day, WotC?
DnD Beyond's Response to OGL 1.1 Concerns Sparks Fresh Criticism From Fans
What is D&D OGL 1.2? Open Game License playtest explained - Dexerto
Dark Souls RPG Maker Calls OGL Controversy The End Of D&D's Golden Age
WoTC official statement regarding the backlash over the OGL : r/DungeonsAndDragons
The D&D OGL controversy, explained - The Washington Post
The D&D OGL controversy, explained - The Washington Post
D&D's Big OGL Reversal Can't Protect You From Space Nazis