1John Adams to Abigail Adams, 10 May 1777 (Adams Papers)
...he afterward found it incorporated in Sir Ashton Lever’s private museum in Leicester House,...
2John Adams to Abigail Adams, April – May 1780 (Adams Papers)
...it passed into the hands of Sir Ashton Lever and became part of the Leverian Museum...
3John Quincy Adams to Abigail Adams, 14 August 1790 (Adams Papers)
...similar to those which you have seen at Sir Ashton Lever’s Museum....Lever’s museum,...