Correspondence Classes, a method of instruction first fully developed in the United
States by the Chautauqua Literary and Scientific Circle (1878), and since adopted in England—e.g. under the Oxford University Extension (1889). See CHAUTAUQUA.
Correspondence Classes
Chambers's Encyclopaedia, Volume 3: Catarrh to Dion, p. 495–496
Source scan(s): p. 0506, p. 0507