• 1 Memorial Library

• 2 History
• 1 Monocacy, Battle of, Md., 1864
• 1 National monuments
• 1 National parks and reserves

• 2 United States. National Park Service
• 1 Harpers Ferry Center (U.S.). Publications

• 2 English

• 2 Maryland
• 2 Monocacy National Battlefield

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