Provenance ownership, and of evidence left in books that shows how readers interacted with them. Provenance studies may shed light on the books themselves, providing evidence of the role particular titles have played in social, intellectual and literary history. Such studies may also add to our knowledge of particular owners of books. For instance, looking at the books owned by a writer may help to show which works influenced him or her. Many provenance studies are historically focused, and concentrated on books owned by writers, politicians and public figures. The recent ownership of books is studied, however, as is evidence of
Artwork damaged or destroyed in the September 11 attacks Artwork damaged or destroyed in the September 11 attacks An estimated $110 million of art was lost in the September 11 attacks: $100 million in private art and $10 million in public art. The attacks were said to be "the biggest single disaster ever to affect the [art] industry". The Port Authority held an estimated 100 pieces of art work at the World Trade Center Complex, in addition to the seven public works of art that had been created for the World Trade Center, all of which were destroyed or severely damaged. An estimated $10 million worth of public art