Hartung, U. 2021. Cemetery U at Umm el-Qaab and the Funeral Landscape of the Abydos Region in the 4th Millennium BC. Desert and the Nile. Prehistory of the Nile Basin and the Sahara : Papers in honour of Fred Wendorf . J. Kabaciński u. a., Hrsg. Propylaeum. 313–335.