According to Genuki/Theological Colleges attended by Welsh ministers and priestsArchived 8 March 2013 at the Wayback Machine: "Knutsford Ordination Test School, Hawarden (formerly Ordination Test School, Knutsford): established 1919 by the Reverend "Tubby" Clayton, the founder of TocH, in a disused gaol at Knutsford, Cheshire. Intended primarily for Church of England ordinands who had served in the First World War. Reconstituted in 1922 and moved to Hawarden 1925".
J. C. H. Tompkins, Wilson, (John) Leonard (1897–1970), rev., Oxford Dictionary of National Biography (Oxford University Press, 2004), accessed 15 March 2008
Oxford Dictionary of national Biography article by J. C. H. Tompkins, 'Wilson, (John) Leonard (1897–1970)', rev., Oxford Dictionary of National Biography, Oxford University Press, 2004 accessed 3 August 2008
According to Genuki/Theological Colleges attended by Welsh ministers and priestsArchived 8 March 2013 at the Wayback Machine: "Knutsford Ordination Test School, Hawarden (formerly Ordination Test School, Knutsford): established 1919 by the Reverend "Tubby" Clayton, the founder of TocH, in a disused gaol at Knutsford, Cheshire. Intended primarily for Church of England ordinands who had served in the First World War. Reconstituted in 1922 and moved to Hawarden 1925".