ELEMENTAL

Earth Elemental

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

Monstrosities     Swords & Wizardry original/official source

Angry Golem (web)     D&D 5e 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

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