Interior of the Guildhall, City of London, c1904 (1906). The building has been used as a town hall since 1440, and is still the ceremonial and administrative centre of the City of London and its Corporation. Its construction began in 1411 and was completed in 1440. It is the only non-ecclesiastical stone building in the City from that time to have survived to the present day. From Medieval London, Vol. II - Ecclesiastical by Sir Walter Besant. [Adam & Charles Black, London, 1906]