This series contains 127 files containing notes, guidebooks, articles, correspondence and illustrations concerning 18th and 19th century church architecture and architects. The series is separated into the following subjects:
- Churches in the 19th Century (with specific notes on churches in Berkshire, Buckinghamshire, Oxfordshire and the diocese of Lichfield)
- Church Building, Restoration and Furnishings in the 18th Century
- Demolished and Desecrated Churches in London
- Clergymen of the Church of England who became architects
- Berkshire Church Architects and Builders
- Biographical notes on 19th century architect Henry Woodyer
- Churches in Africa, Europe and Middle East
- Churches in Australia, New Zealand, Melanesia, Polynesia, Canada, West Indies and South America
- Church Restoration in the 19th Century
The series also contains a volume of ecclesiological newspaper articles concerning churches in England from 1938-61 and a file of ms notes concerning the work of Ewan Christian.