VOGLE LIBRARY
Setting Up Windows
Device
Move
Draw
Point
Arc and Circle
Curve
Rectangle and General Polygon
Position Query
Text
Line Style
Color
Clipping
Interactive
Flushing
Viewport
Aspect
Attribute Stack
Matrix Stack
Projection
Viewpoint
Transformations
Patch
Object
Double Buffering
You might find a contact sheet for the originating VOGLE site useful.