TY - SER ED - United States. ED - Harpers Ferry Center (U.S.). TI - Longfellow House Washington's Headquarters National Historic Site, Massachusetts PY - 2013///- CY - Harpers Ferry, WV PB - National Park Service, Harpers Ferry Center, Publications KW - Historic house museums KW - Massachusetts KW - Historic sites KW - National parks and reserves KW - Longfellow House-Washington's Headquarters National Historic Site (Cambridge, Mass.) KW - Braille books KW - lcgft N1 - "LONG."; "Visitor information brochure." ER -