@inbook {2009, title = {Material support II: religious orders}, booktitle = {Christianity in Western Europe, c. 1100-c. 1500}, series = {The Cambridge History of Christianity}, volume = {4}, year = {2009}, pages = {107-113}, publisher = {Cambridge University Press}, organization = {Cambridge University Press}, address = {Cambridge}, isbn = {978-0-521-81106-4}, author = {Burton, Janet}, editor = {Rubin, Miri and Simons, Walter} }