Over seventy letters, 1940-1955, to John Cowper Powys from various correspondents, including W[illiam] J[ohn] Gruffydd (1) 1942; Timothy Lewis (13) 1943-1954; Iorwerth C[yfeiliog] Peate (19) 1942-1951; Keidrych Rhys (9) 1943-1946; and Sir Ifor Williams (1) 1941. The letters relate mainly to John Cowper Powys's work, the Welsh language and culture, and personal matters.