Categorisation of Sources :
A: Documentary Sources
1 : Primary Sources
2 : Secondary and Tertiary Sources
3 : Criteria of Evaluation
B : Non-Documentary Sources
4 : Humans as Sources of Information
5 : Institutions as Sources of Information
6 : Media as Sources of Information
C: Information Services
7 : Information Services: An Overview
8 : Types of Services: Reference, Referral, CAS, etc.
9 : LiteratureSearch and Databases Services
D: Information Use and User Studies
10 : User Education and Information Literacy
11 : User Studies
12 : Information Use Studies
13 : Marketing of Information Services