Rösler revealed the late Bronze Age materials from Karabakh and Ganja between 1894 and 1903 as long as he worked in Azerbaijan as a teacher, and the reports about his findings were regularly published in the "Zeitschrift für Ethnologie and Verhandlungen der Berliner Gesellschaft für Anthropologie, Ethnologie und Urgeschichte" and the "Izvestiya Imperatorskoĭ Arkheologicheskoĭ Komissii".