BrickLink - Set K7744-1 : LEGO Ultimate City Police Collection [Town:City:Police] - BrickLink Reference Catalog
Modification of set 7744 where I put the two sections back to back and extended the top level : r/lego
LEGO 7744 Police Headquarters Set Parts Inventory and Instructions - LEGO Reference Guide
BrickLink - Part 7744stk01 : LEGO Sticker Sheet for Set 7744 - (61973/4520704) [Sticker Sheet] - BrickLink Reference Catalog
Set 7744-1 : Police Headquarters [City] [BrickLink]
LEGO 7744 Police Headquarters Set Parts Inventory and Instructions - LEGO Reference Guide
BrickLink - Part 52035c01pb02 : LEGO Motorcycle City with Black Chassis, LBG Wheels and Fairing with 'POLICE' on Blue Background Pattern (Sticker) - Sets 7235-2 / 7744 [Riding Cycle] - BrickLink Reference Catalog
BrickLink - Part 3069bpb0447 : LEGO Tile 1 x 2 with Groove with White 'POLIZEI' on Blue Background Pattern (Sticker) - Sets 7235-2 / 7236-2 / 7744 [Tile, Decorated] - BrickLink Reference Catalog
7744 Pic Review - LEGO Town - Eurobricks Forums
Set 7744-1 : Police Headquarters [City] [BrickLink]