A Week on the Concord and Merrimack Rivers by Henry David Thoreau  || Thoreau, Henry David, 1817-1862 || Concord River (Mass.) -- Description and travel; Merrimack River (N.H. and Mass.) -- Description and travel; Thoreau, Henry David, 1817-1862 -- Travel -- Massachusetts -- Concord River; Thoreau, Henry David, 1817-1862 -- Travel -- Merrimack River (N.H. and Mass.) || Browsing: History - American; Browsing: Travel & Geography || Language : English