Update to DECUS PDP-8, FOCAL8, BASIC8, PDP-12 Catalog

This document serves as an update to Volume II of the DECUS (Digital Equipment Computer Users Society) catalog. It includes:

• General Information: Guidelines on payment methods (including DECUS coupons), procedures for ordering write-ups, and details on tape formats and service charges.
• Library Tapes: Specific information regarding available Library LINCtapes for PDP-12 and Library Magtapes for DECsystem-10, including tape contents, formatting requirements, and update procedures.
• Category Index: A categorized list of software programs available, covering programming languages, monitors, text editing/manipulation, and debugging/simulation tools.