Columbia subject headings:
Emerson, Ralph Waldo, 1803-1882.
Thoreau, Henry David, 1817-1862.
Transcendentalism (New England)
Harvard subject headings:
Emerson, Ralph Waldo, 1803-1882
Thoreau, Henry David, 1817-1862
Transcendentalism (New England)
Princeton subject headings:
Emerson, Ralph Waldo, 1803-1882.
Thoreau, Henry David, 1817-1862.
Transcendentalism (New England)