Perhaps you should try some spelling variations:
171820 early » 1720 early, 1780 early, 1718 early
1712 early » 1714 early, 1715 early, 1722 early
1710 early » 1714 early, 1715 early, 1770 early
20 france » 10 france, 30 france, 2010 france

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: %22coinage %20 law AND legislation %20 france %((1820 early) OR (((((171820 early) OR (1712 early))) OR (1710 early)))) works to 1800%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22coinage %20 law and legislation %20 france %((1820 early) or (((((171820 early) OR (1712 early))) or (1710 early)))) works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %22coinage %20 law and legislation %20 france %((1820 early) or (((((171820 early) OR (1712 early))) or (1710 early)))) works to 1800%22*.