Game Boy / GBC - Pokémon Crystal - Intro Sprites - The Spriters

Game Boy / GBC - Pokémon Crystal - Intro Sprites - The #1 source for video game sprites on the internet!

Color palette (Generations I–II) - Bulbapedia, the community-driven Pokémon encyclopedia

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Crystal Battle Screen - Grid Paint

Pokemon Game - Sprites Pack (Part1) by LadyShieda on DeviantArt

2.0 BETA CHANGELOG - CC Docs

Plague von Karma's Pokemon Prototype Research Blog - Blog

Downloads - Pokédex - veekun

Create a pokemon gsc sprite for you by Tharkka

Pokémon Crystal

Improvements as clear as night and day! Let's Play Pokemon Crystal - The Something Awful Forums

Game Boy / GBC - Pokemon Crystal - Shiny Unown

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