@inbook {Witkowski 2007,
	title = {Dom George Schwengel and his historiographical works},
	booktitle = {Robert Bindel \& Pierre-Aelred Henel (eds.), Dom Innocent Le Masson, chartreux m{\'e}connu, Noyonnais oubli{\'e}},
	series = {Analecta Cartusiana},
	number = {209},
	year = {2007},
	pages = {219-256},
	address = {Salzburg},
	keywords = {biographiae, Georgius Schwengel O.Cart. (biographia), historiographia},
	author = {Witkowski, Rafa{\l}}
}
