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
Means to an end something leading into something else, thus it is an end in itself. Means to an end In philosophy, the term "means to an end" refers to any action (the means) carried out for the sole purpose of achieving something else (an end). It can be thought of as a metaphysical distinction as no empirical information differentiates actions that are means to ends from those that are not—that are "ends in themselves". It has been inferred that all actions are means to other ends—this is relevant when considering the meaning of life. Immanuel Kant's theory of morality, the categorical imperative, states