The Encyclopedia Herald of Ukraine
Mykola Zhelezniak. (2011). "Periodicals of the 20th Century from library of Shevchenko Scientific Society: Foreword". The Encyclopedia Herald of Ukraine. Retrieved 2020-02-26 from http://evu.encyclopedia.kiev.ua/en/vol-2-3/periodicals-of-the-20th-century-from-library-of-shevchenko-scientific-society-foreword/.
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