File:Map Pokémon HeartGold & SoulSilver FR.png - Wikimedia Commons

10 Reasons HeartGold And SoulSilver Are The Best Pokemon Games To Nuzlocke

Pokémon HeartGold/SoulSilver - Johto Pokédex

Pokemon HeartGold and SoulSilver :: Legendary Pokemon Guide

Comparing Pokemon Gold and Silver with their Nintendo DS remakes

Pokemon starter guide: HeartGold and SoulSilver part two Top Tier Tactics – Videogame strategy guides, tips, and humor

Battle! (Ho-Oh) (JP Version) - Pokémon HeartGold & SoulSilver, SiIvaGunner Wiki

Retro/Vintage Official Pokemon Johto Guide and Johto Pokedex - Pokemon HeartGold and SoulSilver Versions Volume 1

Capture book DS Pocket Monsters Heart Gold Soul Silver Zenko Kuzukan & Boken Map Complete Edition, Book

Pokemon HeartGold Version Johto Map Map for DS by ShinyCelebi - GameFAQs

Here is a map I made with the location and info for all catchable Pokemon in X and Y. : r/pokemon