Columbia subject headings:
Books--History--1450-1600.
Early printed books.
Great Britain--Imprints.
Printing--Great Britain--History--16th century.
Printing--Great Britain--History.
Harvard subject headings:
Printing--Great Britain--History--16th century.
Princeton subject headings:
Books--History--1450-1600.
Early printed books.
Great Britain--Imprints.
Printing--Great Britain--History--16th century.
Printing--Great Britain--History.