O'Reilly Learning the UNIX Operating System Manual 4th Ed 1998 Vintage Computing

Vintage SCO OpenServer System Handbook Nov 1998 UNIX Guide

Vintage Sybase SQL Server System Administration Guide 1994, before SAP merge.

Rare Feb 1995 Digital PC Computer Product and Configuration Guide & Handbook

Beginning UNIX Commands Reference Card - Vintage

Sybase Transact-SQL User’s Guide, Vintage 1992. Before merging into SAP.

Unix World Magazine August 1985

Sybase SQL Server SQL Forum Journal 1995 Vol. 4 No. 3