- HörbuchForbidden Knowledge of the Ancient WorldPhilip Gardiner
- HörbuchGod in the Quantum WorldPhilip Gardiner
- HörbuchFreemasons and Secret SocietiesPhilip Gardiner
- HörbuchSecret Order of the Knights TemplarPhilip Gardiner
- HörbuchAncient MysteriesPhilip Gardiner
- HörbuchEnigmas of the Ancient World ExposedReality Films
- HörbuchThe Freemason Conspiracy ExposedPhilip Gardiner
- HörbuchSherlock Holmes ExposedPhilip Gardiner
- HörbuchSherlock Holmes and Watson ExposedPhilip Gardiner
- HörbuchLegend of the Dark NightPhilip Gardiner