D&D Rules Cyclopedia Foreign Editions
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Das Grosse Buch der D&D RegelnThanks to Paul Stormberg for the scan.
D&D Rules EncyclopediaThanks to Yony for the scan.
D&D Rules Cyclopedia (3 volumes)Three digest-sized volumes, entitled D&D Rules Encyclopedia: Players, D&D Rules Encyclopedia: Dungeon Masters, and D&D Rules Encyclopedia: Monsters. Thanks to Adrian Newman for this info, and the scans.
Players
Dungeon Masters
Monsters