[disc 1] ArcGIS Engine developer kit 9.1 for Windows
[disc 2] ArcGIS Engine developer kit 9.1 for Sun Solaris
[disc 3] ArcGIS Engine developer kit 9.1 for SUSE Linux and Red Hat Linux (Intel)
[disc 4] ArcGIS Engine Runtime 9.1 for Windows
[disc 5] ArcGIS engine runtime (9.1 for Sun Solaris
[disc 6] ArcGIS Engine Runtime 9.1 for SUSE Linux and Hed Hat Linux (Intel)
[disc 7] ESRI Software Documentation Library.