Let's Play Pokemon: HeartGold - Part 7 - Goldenrod City

Pokemon HeartGold - Nintendo DS Game - 2DS 3DS - English / Spanish

Pokémon Heart Gold Version (USA) : GameFreak : Free Download, Borrow, and Streaming : Internet Archive

Pokemon HeartGold - Pokémon Wiki - Neoseeker

Pokemon HeartGold Review - IGN

Pokemon SoulSilver Version N (DS) - Pre-Owned

Pokemon HeartGold & SoulSilver The Official Pokemon Kanto Guide National Pokedex: Official Strategy Guide (Prima Official Game Guide)

Pokémon Adventures: Heart Gold & Soul Silver, Vol. 1

Why We're Still Playing… Pokémon HeartGold and SoulSilver - Feature

Pokemon HeartGold & SoulSilver: The Official Pokemon Johto Guide & Johto Pokedex: Official Strategy Guide (Prima Official Game Guide)

The official Heartgold and Soulsilver guidebook from back in the day. As you can tell by the condition, kid me obviously didn't take the greatest care with it. These were my first