Peter Schoeffer Printer of Mainz - web exhibition at Bridwell Library. www.smu.edu [online]. [cit. 2021-04-19]. Dostupné v archivu pořízeném z originálu dne 2014-04-07.
web.archive.org
Peter Schoeffer Printer of Mainz - web exhibition at Bridwell Library. www.smu.edu [online]. [cit. 2021-04-19]. Dostupné v archivu pořízeném z originálu dne 2014-04-07.