28th of 38 engravings of artillery weapons, etc., from Fronsperger. 'A cannon pointing right; on the left a cannoneer, behind him tents, in the foreground …
23rd of 38 engravings of artillery weapons, etc., from Fronsperger; 3 artillerymen on slope of hill, loading several types of cannon and mortars, facing right.
3rd of 38 engravings of artillery weapons, etc., from Leonard Fronsperger, 'Von kayserlichen Kriegsrechten...', 1573; soldier adjusting range on cannon aimed toward left.
32nd of 38 engravings of artillery weapons, etc., from Fronsperger; 1st of 2 copies of battle scene showing artillery bombarding fort or fortified town in …