Gallix, Francois, ed. T. H. White: Letters to a Friend. Gloucester, England: Alan Sutton Publishing, 1984. A collection of letters from White to his friends L. J. and Mary Potts. L. J. Potts was White's teacher at Cambridge and he and his wife became lifelong friends of White's. The letters are important because White sought his old teacher's literary advice.

Garnett, David. The White/Garnett Letters. London: Jonathan Cape and Chatto & Windus, 1968. Garnett was perhaps White's closest friend and one of his staunchest supporters.

Schonberg, H. C. "Review." New York Times Book Review (November 27, 1977): 15. Schonberg's response to The Book of Merlyn is representative of that of most critics. He finds the novel too "didactic . . . often immature in its reasoning." But he admits that "there are a few brilliant passages" and concludes that "If the book is a failure .. . it nevertheless is the failure of a...