Хэй, Гилберт, 11-й граф Эррол (Russian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Хэй, Гилберт, 11-й граф Эррол" in Russian language version.

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1books.google.com

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archive.org

James Balfour Paul. The Scots Peerage: Volume 3. — D. Douglas, 1906. — P. 578.

books.google.com

Mackintosh, John. Historic Earls and Earldoms of Scotland. — 1898.