Mezue ahịrịokwu na-esonụ: Isi mmalite Shakespeare maka "Henry V", dịka maka ọtụtụ akụkọ ihe mere eme ya, bụ Raphael Holinshed's "Chronicles"; mbipụta nke mbipụta nke abụọ na 1587 na-enye "terminus post quem" maka egwuregwu ahụ. Edward Hall's "The Union of the Two Illustrious Families of Lancaster and York" yiri ka a kpọtụkwara ya uche, ndị ọkà mmụta chekwara na Shakespeare maara uri Samuel Daniel banyere
agha obodo. A na-ekwenyekarị na ihe nkiri mbụ, "Mmeri Ndị A Ma Ama nke Henry nke Ise" bụ ihe nlereanya maka ọrụ ahụ.