Papers included in this document are: (1) Communication and Secrecy in Science; (2) The Suppliers Point of View--Introductory Paper; (3) Four 'New' Sciences: An Approach to Complexity; (4) Les Problemes Poses par le Vocabulaire Documentaire et l'Organisation des Dictionnaires et Thesaurus: (5) Mechanical Reading--Trends and Developments in Character and Pattern Recognition; (6) Non-numerical Mathematics and Data Processing; (7) Efficient Transfer of Textual Information; (8) On-line Information Storage and Retrieval; (9) Manual Systems--TDCK Circular Thesaurus System; (10) Mechanised Systems; (11) An Introduction to the Study of Cost Effectiveness in Information Systems; (12) Selective Dissemination of Information; (13) Interactive Information Processing, Retrieval, and Transfer; (14) Man-Machine Interface; (15) Education. (CC)