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Blanc E., 1878. Étude sur les sculptures préhistoriques du Val d’Enfer près des Lacs des Merveilles, pp. 72-87, 1 pl. h.t.
| full text-image flip book and PDF (from Gallica – BnF, public domain) | French
[editor’s note: in this paper, the author, a librarian from Nice, supports the idea that the engravings were the result of the cult of some malevolent deity, terrifying generator of lightning and thunder]
by Edmond Blanc