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 | This article contains a translation of Bolko IV Opolski from pl.wikipedia. Translated on 27 May 2009. |
| This article is rated C-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects: | |||||||
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| This article contains a translation of Bolko IV Opolski from pl.wikipedia. Translated on 27 May 2009. |