The county town of Oxfordshire, seat of one of the great English universities and of a bishopric; is on the left bank of the Thames, 52 m. W. of London; it is a city of great beauty, its many collegiate buildings and chapels and other institutions making it the richest of English cities in architectural interest; naturally historical associations abound; here the Mad Parliament met and adopted the Provisions of Oxford in 1258; Latimer and Ridley in 1555, and Cranmer in 1556, were burned in Broad Street; Charles I. made it his head-quarters after the first year of the Civil War; it was the refuge of Parliament during the plague of 1665.