National Language Support Overview, Setting National Language Support for Devices, Locales in AIX 5L Version 5.2 System Management Guide: Operating System and Devices
Keyboard Overview in Keyboard Technical Reference
Understanding the Japanese Input Method (JIM), Understanding the Korean Input Method (KIM), Understanding the Traditional Chinese Input Method (TIM) in AIX 5L Version 5.2 General Programming Concepts: Writing and Debugging Programs.
The iconv command in AIX 5L Version 5.2 Commands Reference, Volume 3.