Topic
- Military medicine--1860-18701
- Military music--United States--19th century1
- Military weapons--United States--History--19th century3
- Musicians--United States--19th century1
- Musicians--United States--Diaries1
- Patriotic envelopes--1860-18701
- Pictorial envelopes--1860-18701
- Sawyer, Milton, b. ca. 1816--Diaries1
- Soldiers--Michigan--Correspondence23
- Soldiers--Michigan--Diaries1
- Soldiers—Michigan--Correspondence3
- Stamped envelopes1
- Surveillance1
- Troop movements--Union--1860-187010
- United States--History--Civil War, 1861-1865--Aerial operations1
- United States--History--Civil War, 1861-1865--Balloons2
- United States--History--Civil War, 1861-1865--Casualties1
- United States--History--Civil War, 1861-1865--Hospitals1
- United States--History--Civil War, 1861-1865--Medical care1
- United States--History--Civil War, 1861-1865--Music and the war1