Columbia subject headings:
United States--History--Civil War, 1861-1865--Regimental histories--Iowa.
United States. Army. Iowa Infantry Regiment, 2nd (1861-1864)
Harvard subject headings:
United States--History--Civil War, 1861-1865--Regimental histories.
United States. Army. Iowa Infantry Regiment, 2nd (1861-1864)
Princeton subject headings:
Iowa Infantry. 2d Regiment, 1861-1865.
United States--History--Civil War, 1861-1865--Regimental histories--Iowa Infantry--42nd.