Volturnus, planet of mystery (Star Frontiers adventure 1)

Dragonspawn

RuneSword

New Beginnings (Advanced Dungeons and Dragons, 2nd Edition/Dragonlance module DLS1)

Agent 13 Sourcebook

Shines the Name (Combat Command: In the World of Robert A. Heinlein's Starship Troopers)

Dragon War

Dream Machine

Combat Command in the World of Jerry E. Pournelle's Janissaries, Lord of Lances (Combat Command)

The Twilight War

The Vanishing Investigator (Gangbusters module GB4)