PAPERS
- MS 819/1-7;D The Collinson cryptograms in The Times, 5 May 1944 [With accompanying correspondence and notes] 18 leaves, typed
- MS 1063;D The unsolved problem of the Franklin Expedition records supposedly buried on King William Island, undated [Draft of article published in Mariner's Mirror, 1969] 23 leaves, holograph (Xerox)
CORRESPONDENCE
- MS 1325/14/1-2;D Letters (2) to Hugh Robert Mill, 25 and 29 March 1933 [Regarding the engines used on Sir John Franklin's last expedition] 3 leaves, holograph