The favicon is based upon an illustration from Prof. Dr. Otto Wilhelm Thomé, Flora von Deutschland, Österreich und der Schweiz, Gera, 1885. According to Wikimedia Commons the book’s copyright is expired.

The logo is taken from a 1980 Soviet stamp. According to Wikimedia Commons stamps are not subject to copyright.

The maps in the header are extracted from John G. Bartholomew, A Literary & Historical Atlas of Europe, London/New York, 1915. According to the Internet Archive the book seems not to be in copyright.

The header font is Victorian Lint by VTC

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The organizers/webmasters did their best to use for this site only graphical elements in the public domain or provided by their sponsors. If any issue arises about the rights on the used images/fonts please contact