Ingo Swann
Hal Puthoff, Ingo Swann, Russell Targ
Hal Puthoff and Ingo Swann
George McMullin, Stephan Schwartz, Ingo Swann
Ingo Swann and Cleve Baxter
Murleen Ryder, Ingo, Virginia Downsbrough, Maryanne Bilham-Knight
