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Books about Ulaj:
Canto Palabra De Una Pareja De Muertos / B'ixonik Tzij Kech Juk'ulaj Kaminaqib'. by Pablo. García (2009)
Wiki information Ulaj:
Pretash Zekaj Ulaj, known as Pretash Zeka, was an Albanian tribal leader in Kojë, and one of the heroes of the Battle of Deçiq, fought near Tuzi in 1911 between Albanian highlanders and the Ottoman troops of Shefket Turgut Pasha.
Ondrej Šulaj is a screenwriter.