Unknown Artist - Basic German (Album)
Unknown Artist - Dutch: S.H.S. Rapid Learning System (Single)
Unknown Artist - English Course (Single)
Unknown Artist - German (Single)
Unknown Artist - Greek: S.H.S. Rapid Learning System (Single)
Unknown Artist - Quick Italian on Records (Single)
Unknown Artist - Spanish: S.H.S. Rapid Learning System (Single)
Unknown Artist - Tonkort - English (Single)
Unknown Artist - Vietnamese (Single)