We'd like to give an extended thanks to all the sources that supported us in this project:

Commons Wikimedia
Grace’s Guide to British Industrial History
Heritage Unlocked 
Industrial Rivers of the United Kingdom – by various well-known experts, edited by Evan Rowland Jones
Kirkleatham Museum
Middlesbrough Libraries 
Now & Then Magazine – Issue 97
Teesside Archives 
Teesside Archives – Collections on the Owners of the Middlesbrough Estate
The Gazette – Norman Moorsom 
The Northern Echo 
T.Roddam Dent Booklet, c1940s
T.Roddam Dent Post-War Booklet, 1958