so...ah short cut of informations
1504 where from 100 Landsknechts
70 pikeman
20 Hellebarden
10 gunners
but it changes fast.....more gunners and more pikes
in 1550 one unit (Regiment) where maybe 10 Fähnleins (1 Fähnlein 300-500men)so a Regiment could have 3000-5000 men. the money makes the music.
Frundsberg fähnlein where 380men and a regiment got 18.
generell for the medieval, an group (fähnlein) had 300-600 man,sometimes 1000. Most time something around 400.
The french Groups most time smaller certainly 200.
altough get good Information is to Google the "Appenzeller war" and "Ritterbund Sankt Jergenschild" or "Sankt Georgenschild"....was a Knight and City league who was bevor the swabian league and go into it.
the first Landsknecht army 1487-1488 where an army of 12000 man infantry and 1200 horse to keep bohemian and the bavarian(Wittelbacher) dukes under controll. Think that was an Standing force...first comander was duke Eitelfritz of Hohenzollern. Maximillian wants 20 000 for the war against France and for Italy. But the cities sad no, to expensive.
battle of calliano 8.10.1487 think that was the first battle of the landsknechts.
the story and reflections of "Paul Dolstein" are very interesting....
and the Story of the "Theuredank" (Knight Epos)
"Bigerli von Heudorf" is altough intreresting story
here an list on Wiki "Liste schwäbischer Adelsgeschlechter" all Knights,lords,dukes and wathever with Heraldik and links to the different persons and history.
"Hans Talhoffer" swordmaster middel to end 15 century many ilustrations of handling different weapons in the net(Google).
To find more over technics, weapons etc...than check out "Wiktenauer" maybe the complete knowledge of masters and books , illustrations etc.

and in english to....
Niklaus von flue is altough really interessting person for the swiss.