Columbia subject headings:
Authors, English--19th century--Correspondence.
Carlyle, Thomas, 1795-1881--Correspondence.
Ruskin, John, 1819-1900--Correspondence.
Harvard subject headings:
Authors, English--19th century--Correspondence
Carlyle, Thomas, 1795-1881. Correspondence
Ruskin, John, 1819-1900--Correspondence.
Princeton subject headings:
Authors, English--19th century--Correspondence.
Carlyle, Thomas, 1795-1881. Correspondence.
Ruskin, John, 1819-1900--Correspondence.