@book {Maas1958,
	title = {Textual Criticism},
	year = {1958},
	publisher = {Oxford University Press},
	organization = {Oxford University Press},
	address = {Oxford},
	author = {Maas, Paul}
}
@book {Maas1968,
	title = {Textual Criticism},
	year = {1958},
	publisher = {Oxford University Press},
	organization = {Oxford University Press},
	address = {Oxford},
	keywords = {Criticism Textual},
	author = {Maas, Paul}
}
