This document summarizes Emma Jones' research on provenance evidence in the Fellows' Library at Jesus College, Oxford. It identifies five key benefactors - Powell, Mansell, Cherbury, Jenkins, and Edwards - whose books are marked with their names, coats of arms, or mottos. It also lists catalogues, archives, and specific books that contain provenance evidence and connects the benefactors to the books. Finally, it provides Emma Jones' contact information and lists other related provenance research projects.