SGP/16   Starlink Application Programming Standard.
SUN/15   PGPLOT — Graphics Subroutine Library.
SUN/83   GKS — Graphical Kernel System (7.2).
SUN/85   SGS — Simple Graphics System.
SUN/88   NCAR — NCAR – Graphics Utilities.
SUN/118   Starlink Software on UNIX.
SUN/144   ADAM — UNIX Version.