In 1815 Thomas sold his collection of about 6,700 of these to the government for $23,950
In May of 
1815 the Government bought 6,700 volumes from Jefferson, the whole of his own
... [DOC] [TLE] Marc Leepson's Blog - Goodreads [PAR] That was Jefferson Levy's only attempt to alter Thomas Jefferson's design of 
Monticello ...