Jungg, G. (1895), “joλdasc”, in Fialuur i voghel sccȣp e ltinisct [Small Albanian–Italian dictionary], page 50b
Bufli, G.; Rocchi, L. (2021), “*jolldash”, in A historical-etymological dictionary of Turkisms in Albanian (1555–1954), Trieste: Edizioni Università di Trieste, page 231