‘BoB National’. N.p., n.d. Web. <http://bobnational.net/>.
‘Copac (National, Academic and Specialist Library Catalogue)’. N.p., n.d. Web. <http://copac.ac.uk/>.
‘Dogpile (Web Search)’. N.p., n.d. Web. <http://www.dogpile.com/>.
‘DuckDuckGo’. N.p., n.d. Web. <https://duckduckgo.com/>.
Ellis, Markman. Eighteenth Century Coffee-House Culture. London: Pickering & Chatto, 2006. Print.
‘Explore (UCL Library Catalogue)’. N.p., n.d. Web. <http://www.ucl.ac.uk/library/explore/>.
‘Google’. N.p., n.d. Web. <https://www.google.co.uk>.
‘Office for National Statistics (ONS) - ONS’. N.p., n.d. Web. <http://www.ons.gov.uk/ons/index.html>.
‘Phil Bradley: Which Search Engine When?’ N.p., n.d. Web. <http://www.philb.com/whichengine.htm>.
Roseberry, William. ‘The Rise of Yuppie Coffees and the Reimagination of Class in the United States’. American Anthropologist 98.4 (1996): 762–775. Web.
‘The Coffee Trail with Simon Reeve | BoB National’. Web. <http://bobnational.net/start-session?entityID=https://shib-idp.ucl.ac.uk/shibboleth&target=http://bobnational.net/record/197794/media_id/199575>.
‘TRIP Database’. N.p., n.d. Web. <http://www.tripdatabase.com/search/advanced>.
‘Welcome to East View - Social Movements, Elections, Ephemera’. N.p., n.d. Web. <http://dlib.eastview.com/browse/udb/1590>.