Artillery - Wikipedia
Conquistador Falconet and Crew (Artillery) – Mark A. Morin
How effective is modern infantry at capturing a castle without fire nor tank support? - Quora
How long would it take for the modern US military to take a medieval castle that's on full alert without the use of bombs or any air force involvement, and how would
History of cannons - Wikipedia
Is it legal to own a medieval-style castle/fortifications with fully functional cannons and muskets? What are the laws about owning archaic pieces of artillery? - Quora
If the Portuguese were the ones who pionered the use of cannons in naval battles, why didnt the Spanish adopt cannon tactics in 1588? Specially knowing that they were aware of English
What to do with the Organ Gun? - #18 by M00Z1LLA - III - Discussion - Age of Empires Forum
Did medieval armies use gunpowder weapons as a 'shock' device, much like Roman pilum? If not, would it have worked? - Quora
Help Identifying This Naval Gun