Useful pages

-  en.wikipedia.org/wiki/Doctor_Faustus_(play)

- www.dartmouth.edu/~matc/MathCulture/4-14.html

- www.essortment.com/all/christophermarl_rvya.htm

- www.sparknotes.com/lit/doctorfaustus/

- www.enotes.com/faustus

- www.luminarium.org/renlit/marlowe.htm

- www.perseus.tufts.edu/Texts/Marlowe.html

- en.wikipedia.org/wiki/Christopher_Marlowe