At Massachusetts General Hospital from 1929 to 1947 he was also a member of the medical staff and, under the supervision of Paul Dudley White, initiated and developed the rheumatic fever clinic.
[6] In 1947 he resigned his assistant professorship and moved to New York City, but continued as a lecturer at Harvard Medical School.
[6] In New York City from 1947 until his final illness and death in 1954 in Petersburg, Virginia, he was the director of the Helen Hay Whitney Foundation.
[8] The 1936 and 1952 papers on the natural history of rheumatic fever, written by Edward Franklin Bland and T. Duckett Jones, are considered classics.
One of his brothers, Herbert Claiborne Jones (1897–1975), became a surgeon who served in the Pacific Theater in World War II.