Art of the Genre: A Review of the 5E Monster Manual and its Place in D&D Product History – Black Gate
Dungeons & Dragons: Monster Manual | The Book Cellar
ArtStation - Dungeons & Dragons - Monster Manual
Advanced Dungeons and Dragons Ser.: Official Game Accessory: Monster Manual : Special Reference Work - An Alphabetical Compendium by Gary Gygax (1997, Hardcover) for sale online | eBay