The Mezek Thracian tomb dates to the fourth century BC. It is a large, elongated tomb consists of passage of 20.65 meters, two rectangular antechambers of different size and a round burial chamber with a stone sarcophagus. It was furnished with gold, silver, bronze, iron and glass items and pottery - housed in the National Archaeological Museum in Sofia.
- http://acikarsiv.ankara.edu.tr/browse/5709/Do%25C4%259Fu%2520Trakya%2527da%2520Mezar%2520Tepelerinin%2520Ortaya%2520%25C3%2587%25C4%25B1k%25C4%25B1%25C5%259F%25C4%25B1%2520ve%2520Geli%25C5%259Fimi.pdf?show
- Julia Valeva, Emil Nankov, Denver Graninger: A Companion to Ancient Thrace, John Wiley & Sons 2015,different pages
- Olivier Henry, Ute Kelp eds., Tumulus as Sema: Space, Politics, Culture and Religion in the First Millennium BC,Walter de Gruyter 2016, pp. 224, 284, diffr.