Almanach de Gotha [Almanac of Gotha] (in French). Gotha, Germany: Justus Perthes. 1828. pp. 28–29. OCLC600124268. From the collections of the Getty Research Institute. (Published annually from 1764 to 1944)
Encyclopaedia Britannica (1823), p. 500. "Spain". Encyclopaedia Britannica, or, A Dictionary of Arts, Sciences, and Miscellaneous Literature. Vol. 19 (Sixth ed.). Edinburgh: Archibald Constable. 1823. pp. 482−544.
Encyclopaedia Britannica (1823), p. 496. "Spain". Encyclopaedia Britannica, or, A Dictionary of Arts, Sciences, and Miscellaneous Literature. Vol. 19 (Sixth ed.). Edinburgh: Archibald Constable. 1823. pp. 482−544.
Encyclopaedia Britannica (1823), p. 499. "Spain". Encyclopaedia Britannica, or, A Dictionary of Arts, Sciences, and Miscellaneous Literature. Vol. 19 (Sixth ed.). Edinburgh: Archibald Constable. 1823. pp. 482−544.
Almanach de Gotha [Almanac of Gotha] (in French). Gotha, Germany: Justus Perthes. 1828. pp. 28–29. OCLC600124268. From the collections of the Getty Research Institute. (Published annually from 1764 to 1944)