Columbia subject headings:
Printers--Pennsylvania--York.
Printing--Pennsylvania--York--History.
United States--History--Revolution, 1775-1783--Sources.
Harvard subject headings:
Printers--Pennsylvania--York.
Printing--Pennsylvania--York--History.
United States--History--Revolution, 1775-1783--Sources.
Princeton subject headings:
Printers--Pennsylvania--York.
Printing--Pennsylvania--York--History.
United States--History--Revolution, 1775-1783--Sources.