Are there “Constitutional” Ideas in the Rolls of the English Parliament, c. 1340-1422?

It is worth pointing out to an international audience that many English political historians, and perhaps especially late medieval historians, use the word “constitution” in a way which corresponds neither to a modern idea of a “constitution” as a written, foundational document, nor to any late medieval concept. Before the attacks suffered in the late 19th and early 20th century by the English constitutional history epitomised by William Stubbs, historians used the word “constitution” with re..