The Flour Mill workshops website which has info on No. 229.

The London & North Eastern Railway (LNER) Encyclopedia covers the 25 year history of the LNER from its forming during the 1923 Grouping Act of the big four railway companys in Britain to the days of British Railways from 1948. The site has the history and technical information of the LNERs steam locomotives and rolling stock in their glory days to todays survivors in preservation and new builds.

The Great Eastern Railway Society was formed in 1973 in order to promote a widespread interest in the Great Eastern Railway, to encourage and co-ordinate research into its history, and to provide a permanent record of the results. The Society caters for all aspects of the railway, both historical and modern day. It takes an interest not only in the GER (1862-1922) but also its predecessors such as the Eastern Counties Railway and its successors including the GE Section of the LNER and BR, right through to the present day Network Rail and the Train Operating Companies. Other associated railways in the region are also covered, including the London, Tilbury & Southend Railway, the Colne Valley and Halstead Railway, the Mid-Suffolk Light Railway and the Southwold Railway.