Dover on Wikipedia.

Bill Beer's Dover web-site features many churches.
 

Gateway Christian Fellowship (Pentecostal Assemblies of God) photographed in 1991. © Alan Taylor.

St. Columba (U.R.C.). © Bill Henderson.

St. Edmund's Chapel (C12) on Priory Road. Another view. Both © Mike Forbester. Link. Grade II* listed.

The ruins of St. James, destroyed in WWII. Some further views - 1, 2, 3, 4. All © Dave Godden. Link. Grade II listed.

St. Mary the Virgin. © Bill Henderson. Another view, from an old postcard in Steve Bulman's Collection. This one from John Bowdler's Collection, also shows overhead tram wires. Two interior views, - 1, 2, both © Peter Morgan (2015). Link.

St. Mary in the Castle, aka St. Mary-in-Castro; also St. Mary Sub-Castro. TR 32631 41823. © Bill Henderson. Two further views - 1, 2, and an interior view, all from old postcards in John Bowdler's collection. Another view, and interior, both from old photos dated around 1893, in Christopher Skottowe's Collection. Another view, and two interiors - 1, 2, all © Peter Morgan (2017). Grade I listed.

St. Paul (R.C.). © Bill Henderson.