80cm Schwerer Gustav Shell, Daniel Perez Sutil

How did artillery and machine guns impact warfare? - Quora

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

How did artillery and machine guns impact warfare? - Quora

How did artillery targeting systems and techniques develop during the first world war? - Quora

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

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

Was the K 5 Glatt Railway cannon and Peenemünder Pfeilgeschoss used in combat in WWII? - Quora

What kind of artillery in the world wars used fixed ammunition, what type semi-fixed and what type separated? - Quora

How useful was captured artillery during World War I or II given that most countries had differently sized shells? - Quora