Columbia subject headings:
Hellinga, Lotte.
Harvard subject headings:
Bibliography, Critical--Europe.
Gutenberg-Preis der Stadt Mainz und der Gutenberg-Gesellschaft.
Hellinga, Lotte.
Incunabula--Germany--Mainz (Rhineland-Palatinate)--Bibliography.
Princeton subject headings:
Hellinga, Lotte.
Printing industry--Germany (West)--Technological innovations--Awards.