Creator
- A. Hoen & Co.3
- A. M. & W. L. Janney1
- A. Zeese & Co.1
- Adams, John Quincy, 1767-18481
- Aitken, Robert, 1735-18022
- Alexandria Printing Company1
- Alfred Hopkins & Associates1
- American Heritage2
- American Philosophical Society1
- American Publishing Co. (Milwaukee, Wis.)2
- Andrews, John, 1736-18091
- Andrews, Peter, active 1765-17821
- André, Peter1
- Anville, Jean Baptiste Bourguignon d', 1697-17822
- Appalachian Electric Power Company (1926-1958)1