Analysis of information sources in references of the Wikipedia article "Robert Stewart, 1st Marquess of Londonderry" in English language version.
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: CS1 maint: numeric names: authors list (link)The Right Honourable Robert Stewart, Baron Londonderry
To Robert Lord Londonderry, and the Heirs Male of his Body lawfully begotten, the Dignity of Viscount Castlereagh, of Castlereagh in the County Down
To Robert Lord Viscount Castlereagh, and the Heirs Male of his Body lawfully begotten, by the Name Stile and Title of Earl of Londonderry, of the County of Londonderry
To Robert Lord Viscount Castlereagh, and the Heirs Male of his Body lawfully begotten, by the Name Stile and Title of Earl of Londonderry, of the County of Londonderry
Down County: 1771 / Robert Stewart, later [1816] 1st Marquess of Londonderry (to 1783)
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