Handbook of Enemy Ammunition, Part 8; German 7.5 cm Light Infantery Howitzer H.E. Shell (7,5 cm Jgr. 18)
Why didn't the Germans mounted the 7.5cm pak 40 on armored tank destroyers like the StuG III and Jagdpanzer IV? It would've simplified the logistics for ammunition and give it better performance
7.5-cm Light Infantry Howitzer: German Infantry Weapons, WWII Military Intelligence Service, Special Series No. 14, May 25, 1943 ()