Columbia subject headings:
Authors, English--19th century--Correspondence.
Authors, English--20th century--Correspondence.
Hardy, Thomas, 1840-1928--Correspondence.
Harvard subject headings:
Authors, English--19th century--Correspondence
Authors, English--20th century--Correspondence
Hardy, Thomas, 1840-1928--Correspondence.
Princeton subject headings:
Authors, English--19th century--Correspondence.
Authors, English--20th century--Correspondence.
Hardy, Thomas, 1840-1928. Correspondence.