Pokémon Yellow's Biggest Pokédex Changes From Red & Blue

Pokémon Yellow was an updated version of Red and Blue in many ways, including the Pokédex, which holds some stark differences from its predecessors.

Pokédex, Pokémon GO Wiki

Catching 'em all in Pokémon Yellow? NO THANK YOU!

Which Region Has The Best Pokédex? Every Pokédex, Ranked From Best To Worst

Downloads - Pokédex - veekun

Pokemon Red, Blue, and Yellow Version Differences - Pokemon Red, Blue and Yellow Guide - IGN

Pokémon Red, Blue, Green, and Yellow Version Exclusives

Pokemon Red, Blue, and Yellow - Super Effective - The Escapist

Pokémon Yellow Version - Bulbapedia, the community-driven Pokémon encyclopedia

See the Nintendo Switch Pokémon Remakes Next to the Game Boy Originals

Here is a map I made with the location and info for all catchable Pokemon in Red, Blue and Yellow in celebration of the 20th anniversary. : r/pokemon

Pokémon Red & Blue