By A Mystery Man Writer
If the British could put a 17-pounder in a Sherman, why couldn't they do that in a Churchill? - Quora
Tank Archives: First Among Equals
Even after a century, tanks still play a major role in war
First Among Equals - Tank Archives
Mark Nash – Tank Encyclopedia
Black Prince - The Ultimate Churchill Tank
WW2 US Vehicles in Foreign Service Archives - Tank Encyclopedia
If the British could put a 17-pounder in a Sherman, why couldn't they do that in a Churchill? - Quora
Tank Archives: Black Prince
Black Prince - The Ultimate Churchill Tank
If the British could put a 17-pounder in a Sherman, why couldn't they do that in a Churchill? - Quora
The famous A43 Black Prince was an oversized version of the Churchill Infantry Tank, carrying from the start the powerful 17-pounder gun. : r/ TankPorn
The Tank Museum - Black Prince was a prototype for a heavier Churchill tank that never entered production. The Museum holds the only complete survivor.