ment of a library. Two of the most essential attributes of any proper library: the catalogue
and the community are hard to provide on such channels. The catalog doesn’t just organize the
knowledge stored in the collection; it is not just a tool of searching and browsing. It is a critical
component in the organization of the community of “librarians” who preserve and nourish the
collection. The catalog is what distinguishes an unstructured heap of computer files from a wellmaintained library, but it