Bibliographical sources mentioned in these texts:
Boekel, Peter is mentioned in the cartouche of the half sheet Holsatiĉ map as its maker, Ort88b.
Clur, Ioannes is the person to whom the map of Prussia has been dedicated, Ort88b
Cran(t)zius, Albert : Chronicle of Saxony 88.7
Cromerus : Polish Matters Bk.3 88.12
Münster 88.11
Sicilius, Christianus : Treatise on the Danes and Dietmarshers 88.7
Stella, Erasmus : On Ancient Matters Concerning Prussia, 2 books 88.12
Zell, Heinrich is mentioned in the cartouche of the half sheet Prussia map as its maker, Ort88b