Monster Manual Expanded v3     D&D 5e original/official source
Monster Manual 2     D&D 4e (no source link)
Dungeons And Dragons Essentials: Monster Vault     D&D 4e (no source link)
MojoBob (web)     D&D 2e original/official source
A Naturalist's Guide To Talislanta     Talislanta original/official source