Vasi published 10 books of etchings of the monuments of Rome (1746-61), which can be seen here alongside photographs of the same locations today.

Official website of the archaeological site of the Imperial Forums. Includes maps, a virtual tour, and information on life in ancient Rome.

Chris Nyborg's guide to churches of all denominations in this city central to the development of church architecture. Includes biographies of their architects and artists.

James Grout's collection of articles, plans and pictures of ancient Rome and its remains, with a bibliography. Includes Vitruvius's comments on temple architecture.

Kalervo Koskimies presents his own clear photographs, together with 18th and 19th century images, of the Classical and later monuments of the city.

A book exploring the basilican church of Sant Agnese fuori le Mura, Rome, rebuilt 625-38 to replace a 4th-century church. Author's biography, reviews, images with extracts.