Portal:Prince Rupert of the Rhine
German-English army officer, admiral, scientist and colonial governor
- "Rupert," in Dictionary of National Biography, 1885-1900, London: Smith, Elder, & Co. (1885–1900) in 63 vols.
- "Rupert, Prince," in Encyclopædia Britannica (11th ed., 1911)
- "Rupert, Prince," in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)
Some or all works listed in this portal were published before January 1, 1929, and are in the public domain worldwide because the author died at least 100 years ago.
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