Отон I, цар Светог римског царства (Serbian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Отон I, цар Светог римског царства" in Serbian language version.

refsWebsite

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1books.google.com

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books.google.com

Heather 2014, стр. 281. Heather, Peter (2014). The Restoration of Rome: Barbarian Popes and Imperial Pretenders. Oxford University Press. ISBN 978-0-19-936852-5.