- OpenGL News Comments - OpenSceneGraph 2.8 with OpenGL draw instanced extension support
- Official feedback on OpenGL 4.1 thread - OpenGL.org Discussion and Help Forums
- OpenGL ARB Meeting Notes - March 9-10, 1998
- OpenGL News Comments - GETIC 3D V1.2 OpenGL API-based modeler and BSP compiler adss CSG
- OpenGL News Comments - Cheetah3D v3.3 OpenGL API-based modeler renders depth of field and enhances UV unwrapping

