field manual Infantry drill regulations / prepared under direction of the Chief of Infantry field manual Medical service of the corps and army / prepared under direction of the Surgeon General field manual Splints, appliances and bandages / prepared under direction of the Surgeon General field manual Physical training / prepared under direction of the Superintendent, United States Military Academy field manual Signal communication field manual Field wire systems field manual Headquarters company, intelligence and signal communication, rifle regiment / prepared under direction of the Chief of Infantry field manual Telephone switchboard operating procedure field manual Radio communication field manual Telephone switchboard operating procedure field manual Reference data / prepared under direction of the Surgeon General field manual 37-mm gun, antitank M3 / War Department