See also two talks by Khan also from 1995, Mental Tests and Nature of Tests, and a 1995 letter from the Universal House of Justice on Mental Tests.
Audio posted online at http://bahaimp3.narod.ru/eng.htm
These audio files are posted at bahaimp3.narod.ru/eng/peterkhan/victories.htm. Imported from cassette and converted to MP3 by Anton Medvedev, 2009.