Blue for poor, yellow for posh: the London maps exposing centuries of terrible housing Guardian report https://www.theguardian.com/artanddesign/2026/oct/19/a-place-to-call-home-senate-house-london-charles-booth-maps-london-housing on new exhibition, "A Place to Call Home: Poverty and Housing in London", at #SenateHouse: https://www.london.ac.uk/about/services/senate-house-library/exhibitions/place-call-home-poverty-housing-london #History