The 1660s decade ran from 1 January 1660, to 31 December 1669.
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
{{cite web}}
: CS1 maint: unfit URL (link)
{{cite journal}}
: Cite journal requires |journal=
(help)
{{cite web}}
: CS1 maint: unfit URL (link)
{{cite web}}
: CS1 maint: unfit URL (link)
The sums involved are modest but quite normal.(Subscription or UK public library membership required.)