Columbia subject headings:
United States--History--Civil War, 1861-1865--Regimental histories--Pennsylvania.
United States. Army. Pennsylvania Infantry Regiment, 104th (1861-1865)
Harvard subject headings:
United States--History--Civil War, 1861-1865--Regimental histories.
United States. Army. Pennsylvania Infantry Regiment, 104th (1861-1865)
Princeton subject headings:
United States--History--Civil War, 1861-1865--Regimental histories--Pennsylvania Infantry--104th.
United States. Army. Pennsylvania Infantry Regiment, 104th (1861-1865)