75-mm howitzer materiel. (open access)

75-mm howitzer materiel.

This is a World War II-era technical manual for the 75mm Howitzer. It contains information on use, maintenance, assembly, and other aspects of this weapon.
Date: June 21, 1941
Creator: United States. Army. Ordnance Department.
System: The UNT Digital Library
Command and employment of air power. (open access)

Command and employment of air power.

Discusses the relationship of land and air forces and doctrine of command and employment in regards to air power as well as five aspects of air command.
Date: July 21, 1943
Creator: United States. War Department.
System: The UNT Digital Library