Columbia subject headings:
Harvard subject headings:
Bentham, Jeremy, 1748-1832.
Carlyle, Thomas, 1795-1881
Cobden, Richard, 1804-1865.
Green, Thomas Hill, 1836-1882.
Mazzini, Giuseppe, 1805-1872.
Mill, John Stuart, 1806-1873
Princeton subject headings:
Bentham, Jeremy, 1748-1832.
Carlyle, Thomas, 1795-1881.
Cobden, Richard, 1804-1865.
Green, Thomas Hill, 1836-1882.
Mazzini, Giuseppe, 1805-1872.
Mill, John Stuart, 1806-1873.