Route 36 - Pokemon World Online Wiki

Pokemon HeartGold and SoulSilver :: Special Pokemon Guide

Pokémon HeartGold and SoulSilver/Route 32 — StrategyWiki

Johto Route 48 - Bulbapedia, the community-driven Pokémon encyclopedia

Pokéarth - Johto - Route 32

Pokemon HeartGold and SoulSilver :: Game Maps

ROUTE 26: Remastered ▻ Pokémon Heart Gold & Soul Silver

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

Pokéarth - Kanto - Route 3

Heart Gold Kingslocke: Episode 8 – Pokémaniacal

Most common Hall of Famers in Pokemon HeartGold and SoulSilver : r/nuzlocke