Photo 1 – John Bulmer

Photo 2 – John Claridge

Photo 3 – By Roger from Sarasota, Florida, U.S.A. (London – Fleet Street) [CC BY-SA 2.0], via Wikimedia Commons

Photo 4 – Andrew Eick [CC BY 2.0], via Wikimedia Commons

Photo 5 – By SALTOnline [No restrictions], via Wikimedia Commons

Photo 6 – By Alan Burnett – Flickr: High Holborn, London (1960s) (incorrectly identified by author), CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=26663508