@other{https://resolver.caltech.edu/CaltechTHESIS:06162014-194836973,
    title = "Violence in the Medieval Church before the First Crusade",
    url = "https://resolver.caltech.edu/CaltechTHESIS:06162014-194836973",
    id = "record",
    doi = "10.7907/33km-kt20"
}