REVIEW: LEGO Technic Liebherr R 9800 Excavator Set 42100 - YouTube
Playing with LEGO Liebherr R 9800 Excavator Technic 42100 - YouTube
Review: 42100 Liebherr R9800 | Brickset: LEGO set guide and database
BrickLink - Set 42100-1 : LEGO Liebherr R 9800 [Technic:Model:Construction] - BrickLink Reference Catalog
LEGO Technic: Control+ Liebherr R 9800 Excavator Set (42100) Toys - Zavvi US
LEGO Technic 42100 Liebherr R 9800 unboxing, build highlights, review and field test! - YouTube
Amazon.com: LIGHTAILING Light Set for (Technic Liebherr R 9800 Excavator) Building Blocks Model - Led Light kit Compatible with Lego 42100(NOT Included The Model) : Toys & Games
Clearer Image of Massive (and Expensive) LEGO Technic Liebherr R9800 (42100) Shared by Dutch LEGO News Site - The Brick Show