The General Nature of Personal Property - Harriet finds a wallet in the college library, among the stacks of books. The wallet has $140 in it, but no credit cards or identification. The library has a lost and found at the circulation desk, and the people at the circulation desk are honest and reliable. The wallet itself is unique enough to be identified by its owner. (a) Who owns the wallet and its contents? (b) As a matter of ethics, should Harriet keep the money if the wallet is legally hers?