Williams, B.; Campbell, J.; Kendall, C.; Tuttle, J.; Lynch, E.C. 2023. Exploring the behaviors and social preferences of a large, multigenerational herd of zoo-housed Southern white rhinoceros (Ceratotherium simum simum). Zoo Biology 42 (4): 476-489. doi.org/10.1002/zoo.21758
Campbell, J. 1860. Notes on the antiquities, natural history, &c. &c. of Cambodia, compiled from manuscripts of the late E.F.J. Forrest, and from information derived from the Rev. Dr. House. Journal of the Royal Geographical Society 30: 182-198, map 1.
Campbell, J. 1823. Reisen in Sud-Afrika auf Veranlassung der Missions-Gesellschaft zu London unternommen. Weimar, Landes-Industrie-Comptoir.
Campbell, J. 1823. Ueber die von dem Missionair Campbell entdeckte neue Art Rhinoceros. Illyrisches Blatt no. 51 (19 December 1823): 1-2.
Campbell, J. 1822. Ueber die von dem Missionair Campbell entdeckte neue Art Rhinoceros. Notizen aus dem Gebiete der Natur- und Heilkunde 2 (7; no. 29, March 1822): 96, fig. 1.
Campbell, J. 1822. Travels in South Africa, undertaken at the request of the London Missionary Society; being a narrative of a second journey into the interior of that country. London, Francis Westley: vol. 1, pp. i-viii, i-xii, 1-322; vol. 2, p. i-ii, 1-384.
Campbell, J. 1822. The unicorn. Manchester Iris; or, Literary and Scientific Miscellany 4 (1), February 23: 29, fig. 1.
Campbell, J. 1822. The unicorn. Calcutta Journal of Politics and General Literature 5 (210, September 2): 5, fig. 1.
Campbell, J. 1822. Discovery of a rhinoceros in South Africa. Arnhemsche Courant no. 9 (19 January 1822): 1-2.
Campbell, J. 1821. Noch ein Einhorn!. Notizen aus dem Gebiete der Natur- und Heilkunde 1 (10): 153-154.






