Analysis of information sources in references of the Wikipedia article "Dardani" in English language version.
Papazoglu, Fanula (1978). The Central Balkan Tribes in pre-Roman Times: Triballi, Autariatae, Dardanians, Scordisci and Moesians. Amsterdam: Hakkert. ISBN 9789025607937.the Dardanians ... living in the frontiers of the Illyrian and the Thracian worlds retained their individuality and, alone among the peoples of that region, succeeded in maintaining themselves as an ethnic unity even when they were militarily and politically subjected by the Roman arms [...] and when, towards the end of the ancient world, the Balkans were involved in far-reaching ethnic perturbations, the Dardanians, of all the Central Balkan tribes, played the greatest part in the genesis of the new peoples who took the place of the old
Papazoglu, Fanula (1978). The Central Balkan Tribes in pre-Roman Times: Triballi, Autariatae, Dardanians, Scordisci and Moesians. Amsterdam: Hakkert. ISBN 9789025607937.The assumption that the Dardanian kingdom was composed of a considerable number of tribes and tribal groups, finds confirmation in Strabo's statement about
Grabos became the most powerful Illyrian king after the death of Bardylis in 358.
Papazoglu, Fanula (1978). The Central Balkan Tribes in pre-Roman Times: Triballi, Autariatae, Dardanians, Scordisci and Moesians. Amsterdam: Hakkert. ISBN 9789025607937.There must have been some reason why it was said of the Dardanians, and not of any other people, that they only bathed three times in their lives ...like the Dardanians', which was applied not to dirty folk, as might be expected, but to the miserly (ἐπὶ τῶν φειδωλῶν)! For the Greeks, obviously, to bathe or not was only a question of expense and financial means.