Mejia Xesspe, Toribio.«Acueductos y caminos antiguos de la hoya del RioGrande de Nazca». Actas y Trabajos Cientihcos del XXVII Congreso 1939, Volume 1, pp. 559–69. Congreso Internacional de Americanistas, Lima, 1942.
Messel, Nils.Der Menschensohn in den Bilderreden des Henoch. (The Son of Man in the Similitudes of Enoch.) Gießen: A. Töpelmann, 1922.
Oberg, James Edward.New Earths — Restructuring Earth and Other Planets. New York: New American Library, 1981.Pauwels, Louis, and Jaques Bergier.L'homme eternal. (The Eternal Man.) Paris: Gallimard, 1970. «Plato. Phaedrus, circa 370 В. C». In The Dialogues of Plato, translated by Benjamin Jowett. Oxford: Oxford University Press, 1931 (книга выходила на русском языке под названием «Платон. Собрание сочинений в 4 томах»).
Posner, Roland.Warnungen an die ferne Zukunft — Atommüll als Kommunikations problem. (Warnings to the Distant Future— Communication Problems Regarding Nuclear Waste.) Munich: Raben Verlag, 1990.
Prganatz, Hilmar.«Das Gehimnis von Nazca ist gelüftet». («The secret of Nazca has been revealed».) Frankfurter Allgemeine Zeitung, Issue no. 161, page 9, July 14, 2007.
Ptolemy.Almagest. London: Gerald Duckworth&Co Ltd., 1984 (книга выходила на русском языке под названием «Альмагест. Математическое сочинение в 30-ти книгах»). «Pueden tildarme de loco, pero hay seres superiors bajo la tierra». El Universo, August 6, 1976.
Reiche, Maria.Geheimnis der Wüste. (Mystery on the Desert) Selfpublished. 1968.
Riessler, Paul.Altjüdisches Schrifttum ausserhalb der Bibel. Die Apokalypse des Abraham. (Ancient Jewish Non-Biblical Writings. The Apocalypse of Abraham). Augsburg: Dr. Benno Filser, 1928.
Roy, Potrap Chandra.The Mahabharata. Calcutta: Bharata Press, 1891.Schmökel, Hartmut.«Die Himmelfahrt Henochs. Neue Aufschlüsse aus Keilschriften». («Enoch's Ascension. New Information from the Cuneiform Texts».) Frankfurter Allgemeine Zeitung, Issue number 159, July 12,1973.
Schott, Albert.Das Gilgamesh-Epos. (The Epic of Gilgamesh.) Stuttgart: Reklam, 1977.
Sebeok, Thomas A.I Think I Am a Verb: More Contributions to the Doctrine of Signs (Topics in Contemporary Semiotics). New York: Plenum Press, 1986.
Silvermann, Helaine.«Beyond the Pampa: The Geoglyphs in the Valley of Nazca». National Geographic Research and Exploration 1990, pp. 435-56. Washington, D.C.: National Geographic Society, 1990.
Sitchin, Zecharia.The 12th Planet. New York: Stein&Day, 1976 (книга выходила на русском языке под названием «Двенадцатая планета»). «Stinkbomben in Atomlagen». («Stink bombs in Nuclear Sites».) Der Spiegel, issue no. 51, 1981.
Volkrodt, Wolf gang.Es war ganz anders: Die intelligente Technik der Vorzeit. (It Wasn't Like That: The Intelligent Technology of Prehistory.) Munich: Herbig Verlag, 1991.
Voynich, Wilfrid Michael.«A Preliminary Sketch of the History of the Roger Bacon Cipher Manuscript». Transactions of the College of Physicians of Philadelphia, Vol. 43, 1921.
Wahrmund, Adolf.Diodor's von Sicilien Geschichts-Bibliothek. (Diodorus of Sicily's Library of History.) Volume 1. Stuttgart: Krais&Hofmann, 1866.