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.

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

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. Link.

St. Mary in the Castle. © Bill Henderson. Two further views - 1, 2, and an interior view, all from old postcards in John Bowdler's collection.

St. Paul (R.C.). © Bill Henderson.