Although he only managed to recreate part of the work it was completed eleven years after his death and published as number 32 in the Mathematical Monographs series.
Kahit na siya lamang pinamamahalaang na muli ng bahagi ng trabaho, ito ay natapos na labing-taon pagkatapos ng kanyang kamatayan at nai-publish na number 32 sa matematika Monographs serye.