Colominas, L., and Edwards, C. J. (2017) Livestock Trade during the Early Roman Period: First Clues from the Trading Post of Empúries (Catalonia). Int. J. Osteoarchaeol., 27: 167– 179. doi:10.1002/oa.2527
jstor.org
Turck, Thomas J., and Diane L. Lehman Turck. "Trading Posts along the Yukon River: Noochuloghoyet Trading Post in Historical Context." Arctic, vol. 45, no. 1, 1992, pp. 51–61. JSTOR, JSTOR40511192. Accessed 25 Mar. 2023.