@article {Op de Coul 2014,
	title = {How were new saint{\textquoteright}s feasts added to liturgical manuscripts? Uniformity in three dated Carthusian graduals from the Low Countries},
	journal = {{\'E}tudes gr{\'e}goriennes},
	volume = {41},
	year = {2014},
	pages = {65-86},
	keywords = {festa sanctorum, gradualia, hagiographia, liturgia, uniformitas scripturalis},
	attachments = {http://cartusiana.org./sites/default/files/Op\%20de\%20Coul_New\%20saint\%27s\%20feasts_0.pdf},
	author = {Op de Coul, Thomas}
}
