BoB National (no date). Available at: http://bobnational.net/.
Copac (National, Academic and Specialist Library Catalogue) (no date). Available at: http://copac.ac.uk/.
Dogpile (Web Search) (no date). Available at: http://www.dogpile.com/.
DuckDuckGo (no date). Available at: https://duckduckgo.com/.
Ellis, M. (2006) Eighteenth century coffee-house culture. London: Pickering & Chatto.
Explore (UCL Library catalogue) (no date). Available at: http://www.ucl.ac.uk/library/explore/.
Google (no date). Available at: https://www.google.co.uk.
Office for National Statistics (ONS) - ONS (no date). Available at: http://www.ons.gov.uk/ons/index.html.
Phil Bradley: Which search engine when? (no date). Available at: http://www.philb.com/whichengine.htm.
Roseberry, W. (1996) ‘The Rise of Yuppie Coffees and the Reimagination of Class in the United States’, American Anthropologist, 98(4), pp. 762–775. Available at: https://doi.org/10.1525/aa.1996.98.4.02a00070.
‘The Coffee Trail with Simon Reeve | BoB National’ (no date). Available at: http://bobnational.net/start-session?entityID=https://shib-idp.ucl.ac.uk/shibboleth&target=http://bobnational.net/record/197794/media_id/199575.
TRIP database (no date). Available at: http://www.tripdatabase.com/search/advanced.
Welcome to East View - Social Movements, Elections, Ephemera (no date). Available at: http://dlib.eastview.com/browse/udb/1590.
