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] HENRY MADDENLIBRARY - California State University, Fresno [PAR] Crawford and Gorman have added something to the world with these five laws, ... 
Jefferson assembled three different collections in his lifetime -- one of which 
became the ... offered his own collection -- then over 6,700 volumes -- to the 
government.