Legendary Quest: Catching Ho-Oh & Lugia - Pokemon Crystal Version Walkthrough & Guide - GameFAQs

For Pokemon Crystal Version on the Game Boy Color, Guide and Walkthrough by Eevee-Trainer.

GlacierBadge - Ousting Team Rocket - Pokemon Crystal Version Walkthrough & Guide - GameFAQs

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

Your Pokemon team as a kid : r/pokemon

CascadeBadge - The Aquatic Cerulean City - Pokemon Crystal Version Walkthrough & Guide - GameFAQs

Pokemon Liquid Crystal Episode 107 Caught Legendary Lugia In The Cave Of Whirl Islands (Whirlpool)

Shiny Gold Sigma Guide, PDF, Video Games

Can I still get Ho-Oh/Lugia if I get Pokémon Crystal? : r/pokemon

How to Get Lugia on Soul Silver without Cheating: 12 Steps

Colosseum/XD Help/FAQ Discussion thread