5990613 British Museum extension buildings and the British Museum Avenue; Southampton Row, looking north, from Theobald\'s Road (b/w photo) by English Photographer, (20th century); Private Collection; (add.info.: British Museum extension buildings and the British Museum Avenue; Southampton Row, looking north, from Theobald\'s Road. Illustration for London Rebuilt 1897-1927 by Harold Clunn. Contains a mixture of late 19th and early 20th century photographs.); by Look and Learn.