80cm Schwerer Gustav Shell, Daniel Perez Sutil

10 Wunderwaffe, or 'Miracle weapons', that Nazis could have used to win WW2 – History Totally Naked

In WW2, why did Great Britain use the Hispano cannon on aircraft instead of the Oerlikon cannon? - Quora

What are some interesting facts about World War 1 artillery? - Quora

How powerful was the cannon on the M3 Chaffe? - Quora

World War II Weapons That Didn't Work - 24/7 Wall St.

What are some interesting facts about World War 1 artillery? - Quora

What caused more deaths in WW2: artillery or small arms? - Quora

Was the 20mm Oerlikon cannon ever used on USN PT Boats during WW2, and were they effective? - Quora

What is the difference between the American 75' and 76' cannons, and the Soviet 75, and 76 cannons, mainly if not entirely during WW2? - Quora

How did artillery and machine guns impact warfare? - Quora

World War II Weapons That Didn't Work - 24/7 Wall St.

What caused more deaths in WW2: artillery or small arms? - Quora

In WW2, how big of a cannon would need to be built in Dover to be able to shell Dunkirk? Would it have been possible and/or practical? - Quora