BrickLink - Buy and sell LEGO Parts, Sets and Minifigures
Die Set Datenbank (SetDB) bietet eine allgemeine Übersicht mit Informationen zu mehr als 36000 Sets von 88 verschiedenen Herstellern in 93 Kategorien. Reviews, Preise, Bilder und mehr.
Brickset home page: LEGO database, news and reviews
Brickset is a database of LEGO sets and an online community of LEGO fans.
Free LEGO Catalog Database Downloads | Rebrickable - Build with LEGO
Sell LEGO on Bricklink: A Helpful Illustrated Guide
How I started a Lego Reselling Business. Everything from the business model, to stock and sourcing and using Bricklink.