Northern Crusades (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Northern Crusades" in English language version.

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9narc.fi

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3books.google.com

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1archive.org

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1stanford.edu

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1researchgate.net

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archive.org

Christiansen, Erik (1997). The Northern Crusades. London: Penguin Books. p. 287. ISBN 0-14-026653-4.

books.google.com

Pope Alexander III; Curtin, D. P. (May 2008). Non Parum Animus Noster. Dalcassian Press. ISBN 9798869282217.
The Chronicle of Henry of Livonia. Columbia University Press. 1961. ISBN 0-231-12889-4.
Urban, William L. (1994). The Baltic Crusade. Lithuanian Research and Studies Center. pp. 113–114. ISBN 0-929700-10-4.

narc.fi

df.narc.fi

Pope Honorius III (13 January 1221). "To prevent all supplies to the barbarian peoples who surrounded his diocese, in order thereby to possibly inhibit their attacks" (in Latin). Letter to the Bishop of Finland. Diplomatarium Fennicum 64.
Pope Gregory IX (23 January 1229). "To prohibit trade with the Russians as enemies of the Catholic faith for as long as they hate and attack the recently converted Finns" (in Latin). Letter to the Bishop and Archdeacon of Riga and the Abbot of Dünamünde. Diplomatarium Fennicum 74.
Pope Gregory IX (27 January 1229). "To prohibit trade with the Russians as enemies of the Catholic faith for as long as they hate and attack the newly converted Finns" (in Latin). Letter to the Bishop and Abbot of the Order of St John and the Dean of Lübeck. Diplomatarium Fennicum 76.
Pope Gregory IX (23 January 1229). "Concerning the removal of the diocesan see in Finland to a more suitable location" (in Latin). Letter to the Bishop and Abbot of the Order of St John and the Dean of Lübeck. Diplomatarium Fennicum 72.
Pope Gregory IX (23 January 1229). "To ensure that no injustice be done to the Bishop, clergy and people of Finland, which the Holy See has taken under its protection" (in Latin). Letter to the bishop of Linköping, the Cistercian Abbot of Gotland and the Provost of Visby. Diplomatarium Fennicum 73.
Pope Gregory IX (27 January 1229). "To prohibit trade with the Russians as enemies of the Catholic faith as long as they hate and attack the newly converted Finns" (in Latin). Letter to the Bishop of Linköping, the Cistercian Abbot of Gotland and the Provost of Visby. Diplomatarium Fennicum 75.
Pope Gregory IX (31 January 1229). "Bull ratifying ownership by the Finnish church of former pagan groves and sanctuaries which the converts have voluntarily given to the church" (in Latin). Letter to the Bishop of Finland. Diplomatarium Fennicum 77.
Pope Gregory IX. "To prevent merchants of Gotland from engaging in trade with the heathens harassing the Christian church in Finland" (in Latin). Letter to the Bishop of Linköping, the Cistercian Abbot of Gotland and the Dean of Visby. Diplomatarium Fennicum 78.
Pope Gregory IX (24 November 1232). "To protect the Bishop of Finland and the recently converted Finns from the attacks of the Russians" (in Latin). Letter to the Order of the Sword in Livonia. Diplomatarium Fennicum 80.

researchgate.net

von Güttner-Sporzyński, Darius. "Poland and the papacy before the second crusade".

runeberg.org

"Estland". Salmonsens konversationsleksikon (in Danish).

stanford.edu

shc.stanford.edu

Pluskowski, Aleksander, "Crusading into the medieval Baltic: Stanford Humanities Center Q&A with Aleks Pluskowski" Stanford Humanities Center Dec 12, 2016