Rolemaster: The Basics Rulesbook ICE5501 1995 Fantasy Role Playing Game

2013 Pathfinder Roleplaying Role Playing Game Master's Guide

TSR Conan Conan - The Role Playing Game, Master Reference Sheet Only! VG+

Grimtooth's Traps, a game-master's aid for all role-playing systems;

MagicWorld sourcebook for Basic Role Playing (BRP) from Chaosium (2012)

2013 Pathfinder Roleplaying Role Playing Game Master's Guide & Campaign Setting

Rolemaster #1000 ICE Role Playing Game