Columbia subject headings:
Birds.
Carlyle, Thomas, 1795-1881.
Chaucer, Geoffrey, -1400.
Emerson, Ralph Waldo, 1803-1882.
Lincoln, Abraham, 1809-1865.
Percival, James Gates, 1795-1856.
Pope, Alexander, 1688-1744.
Quincy, Josiah, 1772-1864.
Swinburne, Algernon Charles, 1837-1909.
Thoreau, Henry David, 1817-1862.
Winter.
Harvard subject headings:
Birds.
Carlyle, Thomas, 1795-1881
Chaucer, Geoffrey, -1400
Emerson, Ralph Waldo, 1803-1882
Lincoln, Abraham, 1809-1865
Percival, James Gates, 1795-1856.
Pope, Alexander, 1688-1744
Quincy, Josiah, 1772-1864
Swinburne, Algernon Charles, 1837-1909
Thoreau, Henry David, 1817-1862
Winter.
Princeton subject headings: