Manuscript Sampler Letter from Frederick Douglass to unidentified member of the Wallingford Family of Dover, dated March 14, 1856. From the New Hampshire Historical Society's collection, accession number: 1968-006. Letter Transcript Manuscript Sampler Manuscript Collection Special Collections For more information, please contact the New Hampshire Historical Society (bcopeley@nhhistory.org)  - Who Are We? - What's New? - Museum - Library - Publications - Membership - Museum Store - School Programs - Programs & Events - Questions & Feedback - Home - Copyright © 2007 New Hampshire Historical Society. Last Modified November 1, 2006.