SOCIETY OF AUTHORS ARCHIVE. Vols. CCXX, CCXXI. Sir John Pollock, 4th Bart.; 1931-1956. For further correspondence, see Add. 56782 and 63315, ff. 10-119, above. Two volumes.
Vol. CCXX (ff. 144). 1931-1942. Sir Frederick John Pollock, 4th Baronet; of Hatton: Correspondence of League of Dramatists with and rel. to Sir Frederick John Pollock: 1931-1956.
Vol. CCXXI (ff. 210). 1943-1956. Sir Frederick John Pollock, 4th Baronet; of Hatton: Correspondence of League of Dramatists with and rel. to Sir Frederick John Pollock: 1931-1956.