1. (1927) Evidence of the surveyor and clerk of the court of sewers submitted to the Royal Commission dated June 1927. CSR 31/60, p.3.
2. (1932–46) JS Johnson, labour officer, ERYWAEC, no date. German POWs 1932–46, Cottingham IDB, DBCO 2/3/1.
3. (1936–51) Extracts from diary. ADA Conference 1936–51, Cottingham IDB, DBCO 2/3/4.
4. (1938–52) Ditch from Tuffy’s and Hull Corporation gravel pits. Various Drainage 1938–52, Cottingham IDB, DBCO 2/2/8.
5. (1939a) Ministry of Agriculture and Fisheries, circular letter to all drainage authorities in England and Wales, functions of drainage authorities in relation to County War Agricultural Executive Committees, December 1939. Cottingham IDB, DBCO 8/1/4.