Columbia subject headings:
Books--History.
Libraries--Forecasting.
Printing--History.
Printing--Switzerland--Fribourg--History.
Printing--Switzerland--History.
Writing--History.
Harvard subject headings:
Books--History
Libraries--Forecasting.
Printing--History
Printing--Switzerland--Fribourg--History.
Printing--Switzerland--History.
Writing--History
Princeton subject headings:
Books.
Libraries.
Printing--History.
Writing--History.