Hoi nomades tōn Balkaniōn perigraphē tēs zōēs kai tōn ethimōn tōn Blachōn tēs boreias Pindu - Wace, Alan John Bayard 1879-1957; Thompson, Maurice S. (Philologikos Historikos Logotechnikos Syndesmos <Trikala>: Keimena kai meletes, 1989)