VD16 Bibliography of books published in German-speaking countries in 16th century (VD 16).
VD17 Bibliography of books published in German- speaking countries in the 17th century
Gesamtkatalog der Wiegendrucke The Gesamtkatalog der Wiegendrucke, is an ongoing work of the Staatsbibliothek zu Berlin with the aim of building and maintaining an index of reference sources for 15th century books.