1. Cataloging in context, 2. Development of cataloging codes, 3. Encoding, 4. Description, 5. Description of analytical materials, 6. Choice of access points, 7. Form of headings for names and titles, 8. Authority control, 9. Subject access to library materials, 10. Verbal subject access, 11. Library of congress subject headings (LCSH), 12. Sears list of subject headings (SEARS), 13. Other types of verbal access, 14. Classification of library materials, 15. Decimal classification, 16. Library of congress classification (LCC), 17. Creation of complete call numbers, 18. Other classification systems, 19. Processing centers, networking, and cooperative programs, 20. Catalog management.