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Browse Collection by:
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- A. Hoen & Co. (2)
- A. Williams & Co. (2)
- Abbot, Henry L., 1831-1927. (1)
- Abbot, Henry L. (20)
- Abbot, Henry, 1768-1840. (1)
- Abert, J. W. (James William), 1820-1897. (1)
- Alabama and Tennessee River Railroad. (1)
- Alexander, Edward Porter, 1835-1910. (1)
- Allen family. (1)
- Allen, C. J., Capt. (2)
- Allen, Orrin Sweet, 1826-1902. (1)
- Allen, William Wirt, 1835-1894. (1)
- Allman, Eugene H. (1)
- American Photo-Lithographic Company. (3)
- Amidon, R. E. (1)
- Anderson, J. K., civil and mining engineer. (1)
- Anderson, Richard R. (1)
- Anderson, Thomas surveyor. (1)
- Andrews, William S. (2)
- Antietam Battlefield Board. (7)
- Antietam Battlefield Memorial Commission. (2)
- Archer family. (1)
- Army War College (U.S.). Historical Section. (1)
- Army War College (U.S.) (2)
- Arnold, E. G. (1)
- Aschbach, G. A. (1)
- Asher & Co. (5)
- Atkinson, W. G. Acting 1st lieut., Engineers (1)
- Averill, F. L. (Frank L.) (1)