Civilization 4 Colonization Walkthrough as Spain! - Part 1 - Let's Play Gameplay
Sid Meier's Civilization IV: Colonization - IGN
Had my first win ever in Civilization IV: Colonization after at least a decade : r/civ
CivFanatics - Mod of the Week XI - Religion and Revolution for Civ4: Colonization, by raystuttgart and Robert Surcouf. Religion and Revolution is a huge mod for "Sid Meier's Civilization IV: Colonization"