Columbia subject headings:
Thomas, Emory M., 1939---Travel--United States.
United States--History--Civil War, 1861-1865--Battlefields.
United States--History--Civil War, 1861-1865--Campaigns.
Harvard subject headings:
Thomas, Emory M., 1939---Journeys--United States.
Thomas, Emory M., 1939---Travel--United States.
United States--History--Civil War, 1861-1865--Battlefields.
United States--History--Civil War, 1861-1865--Campaigns.
Princeton subject headings:
Thomas, Emory M., 1939---Travel--United States.
United States--History--Civil War, 1861-1865--Battlefields.
United States--History--Civil War, 1861-1865--Campaigns.