* Stephen Kinzer: "Rupite Journal; For a Revered Mystic, a Shrine Now of Her Own" in The New York Times, April 5, 1995* "FOLKLORICA" Journal of the Slavic and East European Folklore Association Volume VIII, Number 1, Spring 2003* "Ideological Drive Against Paraperception" Radio Free Europe Research, March 24, 1983, in "Open Society Archives"* (in Russian) An article by Natalia Baltzun, translated by Kristina Hristova (Bulgaria)* (in Russian) Vanga's Prophecies: Product of the Bulgarian Secret Services