topic

• History2
• Antietam, Battle of, Md., 18621
• Signal towers1

name

• Gardner, Alexander, 1821-18822
• United States Sanitary Commission1

collection

• Gardner's photographic sketch book of the war2

place

• United States2
• Maryland1

genre

• Photographs2

publisher

division

• Rare Book Division2

type

• still image2