Practical exercise : observer exercise no. 2 / The Artillery School, Air Training Department university of chicago war papers Democracy and American schools / by Charles H. Judd This is your problem : communications, preventive maintenance / The Armored School Chevrolet tractor 4x4 field artillery : questionnaire / prep. by Royal Artillery Mechanical Traction School Instructor's handbook Tactical officer's guide Officer candidate program manual Guide for preparation & maintenance of the qualification record enlisted personnel (da ago form 20 - 1 april 1951) Antiaircraft defense (tentative) The political economy of total war / School of Foreign Service ; [with a pref. by Edmund A. Walsh] Guide for preparation & maintenance of WD AGO Form 66 Field officer course : Communication techniques / Air University. Air command and staff school