Author
- Army and Navy Munitions Board2
- Army and Navy Munitions Joint Board4
- Army and Navy Selective Service Joint Committee1
- Army, Committee on Classification of Personnel in2
- Army-Air Force Troop Information and Education Division4
- Army-Navy Civil Committee on Aircraft Design Criteria1
- Army-Navy Explosives Safety Board4
- Army-Navy-Civil Committee on Aircraft Design Criteria9
- Arsenal, Rock Island2
- Arsenal, Watertown2
- Artillery Corps4
- Artillery Corps (War Department)2
- Artillery Office2
- Artillery School6
- Artillery School, Fort Monroe15
- Artillery School, Fort Monroe (Military Secretary's Department, War Department)9
- Arts Smithsonian Institution1
- Asiatic Division3
- Asiatic Station3
- Assay Commission32