Pevsner Architectural Guides
The Pevsner Architectural Guides are four series of guide books to the architecture of the British Isles. The Buildings of England series was begun in 1945 by the art historian Sir Nikolaus Pevsner, with its forty-six original volumes published between 1951 and 1974.
Source: Wikipedia — Pevsner Architectural Guides (CC BY-SA 4.0)