must impress second dialogue ref name ce st augustine 's work de rudibus catechizandis st gregory great 's liber regul pastoralis still extant inferior st augustine 's rather treatise pastoral theology homiletics ref name ce hincmar says copy used given bishops consecration ref name ce ninth century rabanus maurus died archbishop mainz wrote treatise ''de institutione clericorum'' depends much st augustine ref name ce twelfth century guibert abbot nogent died wrote famous work preaching entitled quo ordine sermo
Applied science Divinity Field ministry Homiletics