Pathfinder 1e Bestiary 2     Pathfinder original/official source
Pathfinder 2e Bestiary 1     Pathfinder original/official source
Pathfinder 2e Bestiary 2     Pathfinder original/official source
Pathfinder 2e Bestiary 3     Pathfinder original/official source
Tome Of Horrors Complete     Pathfinder original/official source
Fey Revisted     Pathfinder original/official source
4 Winds Tome Of Monsters     Pathfinder original/official source
Tome Of Horrors 2018     D&D 5e original/official source
Faerie Bestiary     D&D 5e (no source link)
Critter Compendium     D&D 5e original/official source
Monsters Of The Infinite Planes     D&D 5e original/official source
Monster Manual 3     D&D 4e (no source link)
MojoBob (web)     D&D 2e original/official source
Scruffy Grognard's Monstrous Manual     D&D 2e (no source link)
Hacklopedia Of Beasts Vol 3     Hackmaster original/official source