Correspondence with Herbert Basedow (Adelaide), 31 March 1932-16 July 1932 Date: 1932-03-31/1932-07-16
Correspondence with H.Farquhar (Department Lands and Survey, Wellington), 17 February 1897-26 June 1906 Date: 1897-02-17/1906-06-26
Correspondence with H.J. Finlay (Dunedin): re his work on Turridae. (10p.), 03 April 1932-29 June 1932 Date: 1932-04-03/1932-06-29
Correspondence with H.T. Ferrar (Wellington), 23 July 1924-07 December 1931 Date: 1924-07-23/1931-12-07
Correspondence with Hubert Mathias (North Melbourne), 26 July 1926-11 April 1935 Date: 1926-07-26/1935-04-11
Correspondence with Ian G. Speden (New Zealand Geological Survey), 27 August 1958-05 November 1959 Date: 1958-08-27/1959-11-05
Correspondence with J. Allan Thomson (Wellington), 01 August 1912-01 December 1925 Date: 1912-08-01/1925-12-01
Correspondence with J.B. Scrivenor (Batu Gajah, Bedford), 19 January 1922-11 April 1950 Date: 1922-01-19/1950-04-11