1.
Graddol, David, Leith, Dick, Swann, J., Open University. English: history, diversity and change. London: Routledge; 1996.
2.
McIntyre, Dan. History of English: a resource book for students. London: Routledge; 2009.
3.
Horobin, Simon. What was Middle English. Chaucer’s language [Internet]. 2nd ed. Basingstoke: Palgrave Macmillan; 2013. Available from: https://staff.brighton.ac.uk/is/learningandteaching/DigRes/DigitalReserve/LX453_horobin_si_what_was.pdf
4.
Graddol, David, Leith, Dick, Swann, J., Open University. English: history, diversity and change. London: Routledge; 1996.
5.
Wells, Stanley, Orlin, Lena Cowen. Shakespeare: an Oxford guide. Oxford: Oxford University Press; 2003.
6.
Craig, Hugh. Shakespeare’s Vocabulary: Myth and Reality. Shakespeare Quarterly. Johns Hopkins University Press; 62(1):53–74.
7.
Crystal, David. Begat: the King James bible and the English language. Oxford: Oxford University Press; 2010.
8.
Jonathan Swift. A Proposal for Correcting, Improving and Ascertaining the English Tongue: In ... [Internet]. Available from: http://books.google.co.uk/books?hl=en&lr=&id=5FMJAAAAQAAJ&oi=fnd&pg=PA3&dq=a+proposal+for+correcting,+improving+and+ascertaining+&ots=GrFOoRz2WM&sig=tLkQ9GRDh1EZ2INl0m0Nte5xHuc
9.
Panel Discussion: Who cares about English? Part I [Internet]. Available from: http://www.youtube.com/watch?v=sXu-IyH27d8
10.
A history of the dictionary: Dr Johnson, I presume? | Gresham College [Internet]. Available from: http://www.gresham.ac.uk/lectures-and-events/a-history-of-the-dictionary-dr-johnson-i-presume
11.
Graddol, David, Leith, Dick, Swann, J., Open University. English: history, diversity and change. London: Routledge; 1996.
12.
Mencken, H.L. 1921. The American Language [Internet]. Available from: http://www.bartelby.net/185/
13.
Crystal, David. The Cambridge encyclopedia of the English language. 2nd ed. Cambridge: Cambridge University Press; 2003.
14.
Crystal, David. The stories of English. London: Penguin; 2005.