[7] William attended the Franciscan General Chapter in 1322 and had royal permission to travel abroad in 1324 and 1325.
[12] For a time, it was thought that his body may have been the one discovered in a double stone-and-lead coffin near Richard III's remains.
[16][17] His Sentences (Latin: Sententiae) survives in a single copy and preserves various statements made by John Duns Scotus and his classmates while at Oxford, where they immediately preceded William.
[18] One section thoroughly and temperately covers the scholastic opinions on the eternity of the world prior to the 1316 disputation, reaching the conservative conclusion that nothing truly infinite exists within God's Creation.
[19] In his capacity as the Franciscan lector at Oxford, he was responsible for copying five large volumes of postills[20] for Sir Hugh of Nottingham, who was a clerk at the Royal Exchequer.