(en) Lothar Ledderose, A Magic Army for the Emperor, in Ten Thousand Things. Module and Mass Production in Chinese Art, Princeton, Princeton University Press, 1998, p. 51-73.
sorendreier.com
(en) Tia Ghose, Secrets of Chinese Terra-Cotta Warrior Weapons Revealed, sur le site de Soren Dreier, mis en ligne le 18 mars, 2014 : « Li and her colleagues visually inspected and measured about 216 of the five-part crossbow triggers from the mausoleum. [...] In addition, the team analyzed the spots where triggers were found in the tomb, as well as the variation in the size and shape of the pieces. The pieces were mostly uniform, suggesting the interlocking trigger parts were made in the same or nearly-identical molds and produced in small batches. Each batch of the trigger pieces was likely then assembled in small cells, or workshops, perhaps headed by an overseer ».
Les mémoires historiques de Sima Quian, traduits et annotés par Édouard Chavannes, Librairie d’Amérique et d’Orient Adrien Maisonneuve, Paris, 1967, T2 p. 193 Lire en ligne
(en) Terra Cotta Warriors: Guardians of China’s First Emperor, The Houston Museum of natural Science : « The subsequent excavation revealed more than 8,000 clay warriors and artifacts ». L'ouvrage collectif dirigé par Roberto Ciarla, L'armée éternelle (2008), mentionne les chiffres de « plus de 7 000 statues, plus de 600 chevaux et plus de 100 chars de combat ». Quant à Danielle Elisseeff (2010), elle propose des évaluations plus détaillées, par fosse, ces chiffres étant repris dans Les fosses et l'« armée enterrée », ci-dessus.