Bibliographical sources mentioned in these texts:
Moers, Iustus is mentioned on the cartouche of the half sheet map of Waldeccensis as its maker, Ort98b
Münster, Sebastian 98.5, : Cosmographia 98.2
Muntzer, Valentinus : Chronography 98.5
Regrewyl, Wolfgang is mentioned in the cartouche of the half sheet Buchaviĉ map as its maker, Ort98a