ELEMENTAL

Air Elemental

The Monsters Know What They're Doing     Dungeons And Dragons original/official source

Monstrosities     Swords & Wizardry original/official source

Pathfinder 1e Bestiary 1     Pathfinder original/official source

Pathfinder 2e Bestiary 1     Pathfinder original/official source

Pathfinder 2e Bestiary 2     Pathfinder original/official source

Tome Of Horrors Complete     Pathfinder (no source link)

Mythic Adventures     Pathfinder original/official source

Limitless Monsters     D&D 5e original/official source

Dungeons And Dragons Essentials: Monster Vault     D&D 4e (no source link)

Bestiary Of Krynn     D&D 3e (no source link)

Encyclopedia Of Lifeforms Mundane And Magical     D&D 3e (no source link)

D&D 2e Monstrous Manual     D&D 2e (no source link)

Dark Sun: Terrors Of The Desert     D&D 2e original/official source

Scruffy Grognard's Monstrous Manual     D&D 2e (no source link)

Dragonlance Bestiary     SAGA (no source link)

Hacklopedia Of Beasts     Hackmaster original/official source

Monster Guide     World Of Warcraft RPG original/official source

Godforsaken     Cypher System (no source link)

More Meandering Monsters     Tunnels And Trolls (no source link)

Manual Of Monsters     Amazing Adventures (no source link)

Bestiary Of The Beyond     Lone Wolf original/official source

Fantasy Age Bestiary     Fantasy Age original/official source

Monsters And Treasure (2019)     Castles And Crusades original/official source

Harnmaster Gold Bestiary     Harnmaster original/official source

Baby Bestiary 1     Any original/official source