Gunnery instruction memorandum : Exercises in Gunnery Mathematics Sample operation orders Staff officer / by Lieutenant Colonel James W. Bellah Persoonlijke documenten van D.A. Nederlof, bestaande uit onder andere een uitnodiging en aantekeningen. Training circulars Public laws of the United States of America : Compilation Federal Specification : Paper, duplicating, copy and master, liquid process Air Force Regulations Finance department : general provisions - United States War Department, Army Regulations 35-5 Militairy reservations General orders Civilian personnel regulations