1. Recommendations re Hygiene of Crews' Spaces in Merchant Ships;Assoc. of Port San. Authorities of the British Isles,1935
2. Instructions as to Survey of Masters' and Crew Spaces;Board of Trade,1923
3. Minutes of Assoc. of Port San. Authorities;Cadman,1931
4. Ann. Reps. to Port of London Authority,1902