Perhaps you should try some spelling variations:
zgreat britain » great britain, great brittain, great britains
xgreat britain » great britain, great brittain, great britains
2f foreign » 2 foreign, 23 foreign, 24 foreign
2f denmark » 2 denmark, 22 denmark, 23 denmark
3 denmark » _ denmark, 5 denmark, 4 denmark
2f early » 20 early, 21 early, ef early

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: %((zgreat britain) OR (xgreat britain)) %2f foreign relations %((2f denmark) OR (3 denmark)) %2f early works to 1800%22*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((zgreat britain) OR (xgreat britain)) %2f foreign relations %((2f denmark) or (3 denmark)) %2f early works to 1800%22*".