Content is now organized by game version and source

This link potentially matches multiple versions of "Ancient Green Dragon":

• Ancient Green Dragon (System Reference Document 5.2)

  CR 22 · Dragon (Gargantuan)

• Ancient Green Dragon (System Reference Document 5.1)

  CR 22 · Dragon (Gargantuan)

• Ancient Green Dragon (Monstrous Menagerie)

  CR 24 · Dragon (Gargantuan)

• Ancient Green Dragon (Black Flag SRD)

  CR 19 · Dragon (Gargantuan)