P.1000 (Ratte) by AlexanderVonDerBrung on DeviantArt
Nazi Germany Built the Biggest 'Big Gun' Ever (And it Was a Total Paper Tiger)
Landkreuzer P. 1500 Monster, this machine is essentially the P 1000 rattes big brother Crew: 100+, Armor: 250 millimetres (9.8 in) (hull front) 200 millimetres (7.9 in) (hull sides) (800mm gun variant)
P.1000 Ratte - Paper tiger or supertank?
Hitler Youth - Wikipedia
Hitler Created the Largest Gun Ever
Sturmtiger - Wikipedia
Which is a true paper tank? Never Used, MockUp Only, or Partially Built? : r/Warthunder
The Panzer 1000 LandKreuzer — Badass of the Week
The 4 biggest paper tigers in military history