Six role of card catalogue found in the library ?

1. Organization: The card catalogue helps to organize the library's collection of materials by providing a systematic way to locate and access resources.

2. Access: The card catalogue serves as a tool for library users to easily find and access materials by providing information on the location, availability, and call number of items in the collection.

3. Retrieval: The card catalogue allows users to search for specific materials by author, title, subject, or keyword, making it easier to locate relevant resources.

4. Reference: The card catalogue serves as a reference tool for library staff and users to quickly find information about the library's collection, including the availability of specific items.

5. Navigation: The card catalogue helps users navigate the library's collection by providing a structured system for locating materials and identifying related resources.

6. Preservation: The card catalogue helps to preserve the history and organization of the library's collection by providing a record of the materials in the collection and their location within the library.