Correspondence with C. Anderson (Australian Museum), 4 Oct., 28 Oct., 5 Dec. 1938, 4 Jan. 1939 Date: 4 Oct., 28 Oct., 5 Dec. 1938, 4 Jan. 1939
Correspondence with C.M. Yonge (Glasgow, Bristol, Plymouth), 18 January 1926-16 December 1953 Date: 1926-01-18/1953-12-16
Correspondence with Cyril Crossland (Egypt, Denmark, Tahiti, Cambridge) (87p.), 10 January 1926-25 December 1936 Date: 1926-01-10/1936-12-25
Correspondence with Dale Straughan (St. Lucia), 23 March, 25 Feb., 21 Feb. 1964 Date: 23 March, 25 Feb., 21 Feb. 1964
Correspondence with Dale Straughan (St. Lucia, Townsville) re hydroids, 4 Oct. 1967; 10 June, 4 June, 26 May, 18 May 1964 Date: 4 Oct. 1967; 10 June, 4 June, 26 May, 18 May 1964
Correspondence with Dr. Edgar Martin (Pago Pago) re poisonous animal used by natives to comit suicide, 25 Nov. 1958, 27 Feb. 1957, 26 Dec. 1956 Date: 25 Nov. 1958, 27 Feb. 1957, 26 Dec. 1956
Correspondence with Dr. E.J. Batham (Otago) (11p.), 05 July 1951-16 July 1952 Date: 1951-07-05/1952-07-16
Correspondence with Dr. Elizabeth Batham (Portobello Marine Station) (17p.), 19 September 1957-04 January 1963 Date: 1957-09-19/1963-01-04
Correspondence with Dr. J.C. Yaldwyn (Australian Museum) (29p.), 08 April 1964-24 April 1968 Date: 1964-04-08/1968-04-24
Correspondence with Dr. Pamela Pennycuik (C.S.I.R.O., Glebe and University of Queensland) (50p.), 02 December 1960-18 February 1963 Date: 1960-12-02/1963-02-18