Letters from Marian Powys Ychwanegu i'r clipfwrdd AE1/3/4 Is-is-gyfres 1940-1966 Rhan oJohn Cowper Powys Manuscripts and Papers Letters to Phyllis Playter from John Cowper Powys's sister, Marian Powys. Powys, Marian, 1882-1972