Unidentified photographer
n.d.
Stream terrace quarry at Abbeville with Boucher de Perthes stratigraphic section

Photograph
Internet - Original source ill-defined
Published in M. Boucher de Perthes, 1847-1864, Antiquités Celtiques et Antédiluviennes, (Paris) [Multiple editions]
 
James Sackett, 2014, Boucher de Perthes and the Discovery of Human Antiquity., Bulletin of the History of Photography, 24, p.Art. 2
Online version
(Accessed: 10 September 2021)
 
LL/113632