Columbia subject headings:
Harvard subject headings:
Poets, English--20th century--Correspondence
Thomas, Edward, 1878-1917--Correspondence.
Thomas, Helen, 1877-1967--Correspondence.
Princeton subject headings:
Poets, English--20th century--Correspondence.
Thomas, Edward, 1878-1917--Correspondence.
Thomas, Helen, 1877-1967--Correspondence.