1. Blagdon, J. (2013), “How emoji conquered the world”, The Verge. Vox Media, available at: www.theverge.com/2013/3/4/3966140/how-emoji-conquered-the-world (accessed 20 January 2018).
2. *Hopeful face*: why the rise of the emoji might not spell the end of civilization;Times Literary Supplement,2017
3. Emojipedia contributors (2017), “FAQ”, Emojipedia FAQ, Emojipedia, Retrieved 19:12, December 19, available at: https://emojipedia.org/faq/
4. International Federation of Library Associations and Institutions (IFLA) (1997), “Functional requirements for bibliographic records, a final report”, available at: www.ifla.org/files/assets/cataloguing/frbr/frbr_2008.pdf (accessed 19 January 2018).
5. Wikipedia contributors. (2017), “Pile of Poo emoji”, Wikipedia, The Free Encyclopedia, 20:35, November 26, 2017, available at: https://en.wikipedia.org/w/index.php?title=Pile_of_Poo_emoji&oldid=831566911