@inbook {2017,
	title = {Clerical Exemption in Canon Law from Gratian to the Decretals},
	booktitle = {Religious Exemption in Pre-Modern Eurasia, c. 300-1300 CE},
	series = {medieval worlds. comparative \& interdisciplinary studies},
	volume = {6},
	year = {2017},
	pages = {78-100},
	publisher = {Austrian Academy of Sciences Press},
	organization = {Austrian Academy of Sciences Press},
	address = {Wien},
	isbn = {978-3-7001-8243-6},
	doi = {10.1553/medievalworlds_no6_2017s78},
	author = {Duggan, Anne J.},
	editor = {West, Charles}
}
