List of new churches by John Douglas (English Wikipedia)

Historic England, "Church of St John the Evangelist, Winsford (1329818)", National Heritage List for England, retrieved 29 March 2015
Historic England, "The Congregational Church, Winsford (1160821)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Church of St John the Baptist, Aldford (1135984)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Church of St Ann, Warrington (1161591)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Church of St Paul, Helsby (1253457)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Church of St John, Hartford (1228363)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Christ Church, Chester (1375936)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Church of St Stephen, Moulton (1310471)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Former Church of St Barnabas and Curate's House, Chester (1375935)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Church of St Michael, Great Altcar (1230934)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Zion Chapel, Chester (1375836)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Church of St Chad, Wigginton and Hopwas (1038801)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Church of St Mary, Pulford (1138390)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Church of St Werburg, Warburton (1347816)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Chapel at Carlett Park Technical College (1184843)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Church of St Andrew, Hoylake (1242750)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Church of St Wenefrede, Bickley (1130617)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Crosby United Reformed Church (1257394)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Parish Church of St John the Evangelist, Runcorn (1130422)", National Heritage List for England, retrieved 29 March 2015
Historic England, "Church of St John the Evangelist, Cuddington (1287518)", National Heritage List for England, retrieved 29 March 2015
Historic England, "United Reformed Church, Hoylake (1258515)", National Heritage List for England, retrieved 29 March 2015

british-history.ac.uk

Protestant Nonconformity, British History Online, retrieved 14 March 2008

cadwpublic-api.azurewebsites.net

Cadw, "Church of St Bartholomew (62)", National Historic Assets of Wales, retrieved 4 July 2020
Cadw, "Church of St Mary, Halkin (542)", National Historic Assets of Wales, retrieved 4 July 2020
Cadw, "Church Hall, Mold (388)", National Historic Assets of Wales, retrieved 4 July 2020
Cadw, "Former Chapel at Lluesty Hospital (455)", National Historic Assets of Wales, retrieved 4 July 2020
Cadw, "Christ Church, Rossett (17453)", National Historic Assets of Wales, retrieved 4 July 2020
Cadw, "Church of St Paul, Colwyn Bay (14657)", National Historic Assets of Wales, retrieved 4 July 2020
Cadw, "Church of St John, Barmouth (15467)", National Historic Assets of Wales, retrieved 4 July 2020
Cadw, "Christ Church, Bryn-y-Maen (14722)", National Historic Assets of Wales, retrieved 4 July 2020
Cadw, "All Saints Church, Deganwy (3635)", National Historic Assets of Wales, retrieved 4 July 2020
Cadw, "Church of St Ethelwold (60)", National Historic Assets of Wales, retrieved 4 July 2020
Cadw, "Church of St John, Old Colwyn (14863)", National Historic Assets of Wales, retrieved 4 July 2020
Cadw, "Church of St David, Colwyn Bay (14708)", National Historic Assets of Wales, retrieved 4 July 2020

historicengland.org.uk

Listed Buildings, Historic England, retrieved 29 March 2015

historicenvironment.scot

What is Listing?: Categories of listed building, Historic Environment Scotland, retrieved 4 July 2020

portal.historicenvironment.scot

Historic Environment Scotland, "Ashgrove Terrace, All Saints Episcopal Church (Category B Listed Building) (LB37558)", retrieved 20 March 2019

oxforddnb.com

Howell, Peter (2004) 'Douglas, John (1830-1911)', Oxford Dictionary of National Biography, Oxford University Press [1], retrieved 22 January 2008 (subscription or UK public library membership required)

scottisharchitects.org.uk

John Douglas, Dictionary of Scottish Architects, retrieved 19 December 2016

sunnyfield.co.uk

History of Eastham, Sunnyfield, archived from the original on 5 May 2009, retrieved 10 June 2009

web.archive.org

History of Eastham, Sunnyfield, archived from the original on 5 May 2009, retrieved 10 June 2009