Monstrosities     Swords & Wizardry (no source link)
Pathfinder 1e Bestiary 1     Pathfinder (no source link)
Pathfinder 2e Bestiary 1     Pathfinder (no source link)
Paul Weber Encounters     D&D 5e (no source link)
Hacklopedia Of Beasts Vol 4     Hackmaster (no source link)
Monster Guide     World Of Warcraft RPG (no source link)