• 18th centuryCovers the whole of 1729 and 1730.
• 18th centuryCovers the whole period 1731 to 1734.
• 18th centuryCovers the whole period 1735 to 1738.
• 18th centuryCovers the whole period 1739 to 1741.
• 18th centuryCovers the whole period 1741 to 1745.