Columbia subject headings:
Gutenberg, Johann, 1397?-1468.
Printers--Germany--Biography.
Printing--History--Origin and antecedents.
Harvard subject headings:
Gutenberg, Johann, 1397?-1468.
Inventors--Germany--Biography.
Printers--Germany--Biography
Publishers and publishing--Germany--Biography
Princeton subject headings:
Gutenberg, Johann, 1397?-1468.
Printers--Germany--Biography.
Printing--History--Origin and antecedents.