John Oldcastle Oldcastle, mainly based on "The Actes and Monuments" of John Foxe, who in his turn followed the "Briefe Chronycle" of John Bale, first published in 1544. For notes on Oldcastle's early career, consult James Hamilton Wylie, "History of England under Henry IV". For literary history see the Introductions to Richard James's "Iter Lancastrense" (Chetham Society, 1845) and to Grosart's edition of the "Poems of Richard James" (1880). See also W. Barske, "Oldcastle-Falstaff in der englischen Literatur bis zu Shakespeare" ("Palaestra", 1. Berlin, 1905). John Oldcastle Sir John Oldcastle (died 14 December 1417) was an English Lollard leader. Being a friend
The Shakespeare Code makes reference to the many debates about Shakespeare's sexuality. Shakespeare flirts with Martha multiple times during the episode, and ultimately composes Sonnet 18 for her, calling her his "Dark Lady". This is a reference to the enigmatic female character in Shakespeare's Sonnets, although Sonnet 18 is in fact one of those addressed to a male character, the Fair Youth. Shakespeare subsequently flirts with the Doctor as well, at which the Doctor observes, "Fifty-seven academics just punched the air," a reference to the debates on this subject. There is a running joke throughout the episode in which the Doctor creates an