Library and information technology: The theoretical aspects of IT and library automation Information users, systems, and services: The scope, content, and methodology of user studies Knowledge organization and information retrieval: How to organize knowledge and subjects Information sources: The different types of information sources Library cataloguing: How to catalog documents using the Classified Catalogue Code (CCC) and the Anglo-American Cataloguing Rules (AACR) Universe of knowledge: The structure and attributes of knowledge, and the different types of subjects Classification: The different types of classification devices, such as chronological, geographical, subject, alphabetical, and enumeration