Sarmizegetusa and Subterfuge (in en). timetravel-ancientrome.com (2019-07-11). Retrieved on 2019-07-21.web.archives.org
Mihai Popescu (2020-04-20). Povestea marijuanei în România, de la daci la vedete arestate aiurea (in ro). vice.com. Retrieved on 2020-05-09.Name ok, no license, "Wikimedia Commons", Raymond 19:17, 10 May 2020 (UTC), web.archives.org[reply]
Nicolai Futás (2022). "Weniger ist manchmal mehr". Antike Welt (6): 81. Darmstadt: Wissenschaftliche Buchgesellschaft. ISSN 0003-570-X. Retrieved on 2022-11-24.