Bull, Geoffrey T. God holds the key ; being a record of his meditations and reflections centring [sic.] on the period of his imprisonment in China, October 1950 to December 1953, by Geoffrey T. Bull. - London : Hodder and Stoughton, 1959. - 254 p. 21 cm. Subjects--Topical Terms: Missionaries--Correspondence.Meditations. LC Class. No.: BV3427.B85 1959