Johto Route 40 - Bulbapedia, the community-driven Pokémon encyclopedia

Johto Route 34, PokeMMO Wiki

Pokémon HeartGold and SoulSilver/Violet City — StrategyWiki

Johto Route 29 - Bulbapedia, the community-driven Pokémon encyclopedia

Route 32 HGSS Style by RedcarpetBlues on DeviantArt

Johto Route 47 (From Pokémon Heart Gold & Soul Silver) - Single - Album by The Zame - Apple Music

Dex :: Route 7 in HeartGold

Route 34 (Pokémon HeartGold/SoulSilver) - Transcribed Score Sheet music for Piano, Trombone bass, Flute, Clarinet in b-flat & more instruments (Mixed Ensemble)

3 Ways to Capture All Three Legendary Dogs in Pokémon SoulSilver and HeartGold

Route 40 - Pokémon 3D Wiki

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