A letter from Felix Adler to Charles Delisle Burns, 13 September 1927, in which he states the difficulties of meeting their obligations preclude an international extension of their interest at present.
A letter from Matthew Allen to George Hickson, 7 March 1876, about the estimated cost for the proposed alteration to the gallery of South Place Chapel.
Letter from Norman Angell to Delisle Burns saying that he allows the use of his name by the Appeal Committee but not to expect any work or money from him.
A blueprint plan showing a floor plan and transverse section of South Place Chapel and adjacent buildings that will have their Ancient Lights affected by the erection of a new building at the rear of the chapel.