Schachner, Nat. "Ancestral Voices"
Published: In Astounding, December 1933.
Original in: English.
Translation: French by Georges H. Gallet as "La Voix des Ancêtre", in L'homme dissocie (ed. unknown), J'Ai Lu 1973.
Translation: Italian by Raffaella Solmi as "Voci ancestrali", in Il giardino del tempo (ed. Sergio Solmi), Einaudi 1983.