About HSW

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Historical Society of Washington, DC
801 K Street, NW
Washington, DC 20001

202-249-3955, main line

202-417-3823, fax

info@historydc.org, general inquiries

library@historydc.org, research inquiries

Building Rental Information

The Historical Society of Washington, D.C. • 801 K Street, NW at Mount Vernon Square • Washington, DC 20001 • 202-249-3955 • info@HistoryDC.org