Introduction: definition and Scope: varieties of linguistic materials; materials and the developers community: exploring and exploiting existing resource: general sources, primary sources, secondary sources: use of libraries, archival and exploring information technology; writing materials for specific purposes: listening and speaking materials, guided reading materials, instructional materials, textbook writing; manuscripts management, editing and proof-reading; incentives to produce writing; integration: modern multi-medial materials; administering material development; co-operation and co-ordination in material development.
