Publisher
- (Washington?)2
- (Washington], )2
- A Dalrymple; Londdon2
- A. Hoen & Co. Lith (Baltimore)2
- A. Hoen (Baltimore)2
- A. Taride (Paris)2
- A. Trúb & C. Aarau. (Lugano)2
- A.B. Graham Co., Photo-Lithographers (Washington, D.C)2
- Abraham Ortelius2
- Adams & Francis (London)2
- Allen County-Fort Wayne Historical Society2
- Alton Democrat (Firm)2
- American Publishers, a division of Konor Enterprises, Incorporated2
- Anderson & Goodwin Co.2
- Ansel R. Smith2
- Baldwin & Cradock (London)2
- Base Printing Plant, 29th Engineers (Washington, D.C.?)2
- Board of Education of Prince George's County2
- Board of the Metropolitan Park Commissioners (Boston)2
- Bureau of Chemistry and Soils2