- Campaigns & battles--Virginia--Fredericksburg2
- Fredericksburg, Battle of, Fredericksburg, Va., 18622
- Gettysburg, Battle of, Gettysburg, Pa., 18632
- Hodgman, Samuel Chase, 1831-1900—Correspondence2
- Military weapons--United States--History--19th century2
- Patriotic envelopes--1860-18702
- Pictorial envelopes--1860-18702
- Soldiers—Michigan--Correspondence2
- Stamped envelopes2
- United States--History--Civil War, 1861-1865--Casualties2
- United States--History--Civil War,1861-1865--Personal narratives2
- Aeronautics, Military--United States--History--19th century1
- Ballooning--United States--History--19th century1
- Burnside's Expedition to North Carolina, 18621
- Lowe, T. S. C. (Thaddeus Sobieski Coulincourt), 1832-19131
- Michigan--History--Civil War,1861-1865--Personal narratives1
- Military weapons--United States--History--19th century1
- Surveillance1
- United States--History--Civil War, 1861-1865--Aerial operations1
- United States--History--Civil War, 1861-1865--Balloons1