"The Royal Line of Sucession - The British Monarchy from Cerdic AD. 534, to Queen Elizabeth"
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{REPO14} The author/originator was Patrick W. Montague-Smith.
Source Notes
"The Royal Line of Sucession - The British Monarchy from Cerdic AD. 534, to Queen Elizabeth" by: Patrick W. Montague-Smith. ( Late editor of "Debrett's Peerage)