LEGO reveals 12 new sets from Speed Champions, TLM2, and Technic, including 42100 Liebherr R 9800 mining excavator [News] - The Brothers Brick | The Brothers Brick
Brickfinder - More LEGO Sets Discovered in 2HY LEGO Catalogues!
December 2017 – new LEGO sets & promotions
LEGO Katalog für das zweite Halbjahr 2017 im Detail
Complete Lego Catalog 2 HY 2017 - YouTube
RacingBrick ar Twitter: "The 2020 2HY LEGO catalog is published, so I took a closer look at the new Technic sets coming in August and I share with you everything we know
Lego main catalogs
December 2017 – new LEGO sets & promotions
Australian LEGO Release Dates - First Half of 2017 sets (January - June) - Jay's Brick Blog