1. Däniken,Aussaat und Kosmos.
2. Blinkhorn,«Un verdadero Mundo subterraneo».
3. «Wir fanden die Wiege».
4. The Book of Mormon.
5. Ibid.
6. Lambert and Miliard,Atra-Hasis.
7. Sitchin,The 12th Planet.
8. Cordan,Das Buch des Rates Popol Vuh.
9. Honoré,Ich fand den weißen Gott.
10. Falconi L., Dr. Gustavo.Escritura. Protocolizaciôn de la Denuncia. Otorgada por Presentada por el Senor Juan Moricz, July 21, 1969. From the author's archive (Archive No. 0232).
11. Utz Utermann letter to Mr. Erwin Barth von Wehrenalp, ECON Verlag Düsseldorf, October 7, 1972. From the author's archive (Archive No. 0238/ECON documentation).
12. Erich von Däniken letter to Mr. Blumenschein, editor at Stern magazine, Hamburg, September 17,1972. From the author's archive (Archive No. 0238/ECON documentation).
13. Dr. Gerardo Pena Matheus letter to Erich von Däniken, September 12, 1972. From the author's archive (Archive No. 0238/ECON documentation).
14. Pia Buob (Eigenvasenstraße 14) letter to Erich von Däniken, October 22, 1972. From the author's archive.
15. Erwin Barth von Wehrenalp (ECON Verlag, Düsseldorf) letter to Professor Udo Oberem (University of Bonn), September27,1972. From the author's archive (Archive No. 0238/ECON documentation).
16. Udo Oberem letter to Erwin Barth von Wehrenalp, October 12, 1972. From the author's archive (Archive No. 0238/ECON documentation).
17. Erwin Barth von Wehrenalp letter to Ramon Burneo, October 6, 1972. From the author's archive (Archive No. 0238/ECON documentation).
18. Ramon Burneo letter to Erwin Barth von Wehrenalp, October 18, 1972. From the author's archive (Archive No. 0238/ECON documentation).
19. Erich von Däniken letter to Dr. Pena, November 11, 1972. From the author's archive (Archive No. 0238/ECON documentation).
20. Erich von Däniken letter to Dr. Pena, December 29, 1972. From the author's archive (Archive No. 0238/ECON documentation).
21. Erich von Däniken letter to Erwin Barth von Wehrenalp, January 7, 1973. From the author's archive (Archive No. 0238/ECON documentation).
22. Dr. Gerardo Pena Matheus letter to Erich von Däniken, January 26, 1973. From the author's archive (Archive No. 0238/ECON documentation).
23. Document of the members of the «Expediciôn 1969». Signed by all participants. From the author's archive (Archive No. 0232).
24. Erich von Daniken letter to Dr. Pena, February 1, 1973. From the author's archive (Archive No. 0238/ECON documentation).
25. James B. Mobley (Media Associates Company, Los Angeles, California) letter to Erich von Däniken, March 5, 1973. From the author's archive (Archive No. 0238/ECON documentation).
26. Erich von Däniken letter to Dr. Pena, March 16, 1973. From the author's archive (Archive No. 0238/ECON documentation).
27. Thompson, Ron. «The Mystery of Ecuador's Secret Treasure». Newspaper article from June 17, 1973. From the author's archive (Archive No. 0095).
28. «Juan Moricz realizaria una nueva expediciôn».
29. «Pueden tildarme de loco» (and various other articles from the author's archive; Archive No. 02699).