The Monsters Know What They're Doing     Dungeons And Dragons (no source link)
Faerie Bestiary     D&D 5e (no source link)
Monster Ecology Anthology     D&D 5e (no source link)
D&D 2e Monstrous Manual     D&D 2e (no source link)
Scruffy Grognard's Monstrous Manual     D&D 2e (no source link)
AD&D Monster Manual     AD&D 1e (no source link)
Dragonlance Bestiary     SAGA (no source link)
Godforsaken     Cypher System (no source link)