Columbia subject headings:
Arnold, Thomas, 1795-1842.
Gordon, Charles George, 1833-1885.
Manning, Henry Edward, 1808-1892.
Nightingale, Florence, 1820-1910.
Harvard subject headings:
Arnold, Thomas, 1795-1842
Gordon, Charles George, 1833-1885.
Manning, Henry Edward, 1808-1892
Nightingale, Florence, 1820-1910
Princeton subject headings: