@article {2801,
	title = {Der vom Himmel gefallene Brief Christi nach cod. Monac. arab. 1067},
	journal = {Zeitschrift f{\"u}r Semitistik und verwandte Gebiete},
	volume = {6},
	year = {1928},
	pages = {10-23},
	keywords = {New Testament Apocrypha},
	url = {http://menadoc.bibliothek.uni-halle.de/dmg/periodical/titleinfo/117003},
	author = {Georg Graf}
}
@book {2788,
	title = {Geschichte der christlichen arabischen Literatur},
	volume = {2},
	year = {1947},
	publisher = {Vatican Apostolic Library},
	organization = {Vatican Apostolic Library},
	address = {Rome},
	keywords = {Histories of Syriac Literature, New Testament Apocrypha, Old Testament Pseudepigrapha},
	url = {https://archive.org/details/GGrafGeschichte},
	author = {Georg Graf}
}
@book {2630,
	title = {Geschichte der christlichen arabischen Literatur},
	volume = {1},
	year = {1944},
	publisher = {Vatican Apostolic Library},
	organization = {Vatican Apostolic Library},
	address = {Rome},
	keywords = {Histories of Syriac Literature, New Testament Apocrypha, Old Testament Pseudepigrapha},
	url = {https://archive.org/details/GGrafGeschichte},
	author = {Georg Graf}
}
