Berkhamsted Castle (Danish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Berkhamsted Castle" in Danish language version.

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1english-heritage.org.uk

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archive.org

Armitage 1912, s. 105; Brown 1989, s. 52; Pettifer 1995, s. 104 Armitage, Ella S. (1912). The Early Norman Castles of the British Isles. London, UK: John Murray. OCLC 4246535. Brown, Reginald Allen (1989). Castles from the Air. Cambridge, UK: Cambridge University Press. ISBN 9780521329323. Pettifer, Adrian (1995). English Castles: a Guide by Counties. Woodbridge, UK: Boydell Press. ISBN 9780851156002.

english-heritage.org.uk

"History and research, Berkhamsted Castle", English Heritage, hentet 21. december 2012

worldcat.org

Armitage 1912, s. 105; Brown 1989, s. 52; Pettifer 1995, s. 104 Armitage, Ella S. (1912). The Early Norman Castles of the British Isles. London, UK: John Murray. OCLC 4246535. Brown, Reginald Allen (1989). Castles from the Air. Cambridge, UK: Cambridge University Press. ISBN 9780521329323. Pettifer, Adrian (1995). English Castles: a Guide by Counties. Woodbridge, UK: Boydell Press. ISBN 9780851156002.