Analysis of information sources in references of the Wikipedia article "Béla IV of Hungary" in English language version.
Domus Hungarie incredibilem habet potenciam, indicibilem quidem armatorum gentem, ita quod in partibus Orientis et Aquilonis nullus sit pedem ausus movere, ubi triumphator, rex scilicet gloriosus, potentem exercitum suum movit.
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