This list is a legal bibliography. A book can be included on this list only if it meets these criteria: (1) The book is already in an existing legal bibliography that is a reliable source.(2) Although the book is not in such a bibliography, at least one reliable source says the book is suitable for inclusion in such a bibliography. In other words, this bibliography includes books that only reliable, authoritative sources have said must, should be, or could be in a reliable legal bibliography.