Columbia subject headings:
Concord River (Mass.)--Description and travel.
Literary journeys--New England.
Merrimack River (N.H. and Mass.)--Description and travel.
Thoreau, Henry David, 1817-1862--Technique.
Thoreau, Henry David, 1817-1862--Travel--Massachusetts--Concord River.
Thoreau, Henry David, 1817-1862--Travel--Merrimack River (N.H. and Mass.)
Thoreau, Henry David, 1817-1862. Week on the Concord and Merrimack rivers.
Harvard subject headings:
Concord River (Mass.)--Description and travel.
Literary journeys--New England.
Merrimack River (N.H. and Mass.)--Description and travel.
Thoreau, Henry David, 1817-1862--Journeys--Massachusetts--Concord River.
Thoreau, Henry David, 1817-1862--Journeys--Merrimack River (N.H. and Mass.)
Thoreau, Henry David, 1817-1862--Technique.
Thoreau, Henry David, 1817-1862--Travel--Massachusetts--Concord River.
Thoreau, Henry David, 1817-1862--Travel--Merrimack River (N. H. and Mass.)
Thoreau, Henry David, 1817-1862. Week on the Concord and Merrimack Rivers.
Princeton subject headings:
Concord River (Mass.)--Description and travel.
Literary journeys--New England.
Merrimack River (N.H. and Mass.)--Description and travel.
Thoreau, Henry David, 1817-1862--Technique.
Thoreau, Henry David, 1817-1862--Travel--Massachusetts--Concord River.
Thoreau, Henry David, 1817-1862--Travel--Merrimack River (N.H. and Mass.).
Thoreau, Henry David, 1817-1862. Week on the Concord and Merrimack rivers.