How does a patron locate a specific title or body of work in the library? Usually by searching in the card-catalog or online catalog. Who is responsible for getting that information into the catalog? The cataloger. How successful are catalogers in giving patrons access to the library’s collection? It is often only the reference librarian—who in many instances must act as interpreter of the card-catalog for the patron—who can judge the success of technical services. Does the cataloger provide or deny access to the collection?