Sigurdo, o Semeador (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sigurdo, o Semeador" in Portuguese language version.

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Global rank Portuguese rank

3^rd place

6^th place

low place

287^th place

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667^th place

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27^th place

34^th place

books.google.com

Snorri Sturluson, Heimskringla: History of the Kings of Norway, tr. Lee M. Hollander, The American-Scandinavian Foundation, Austin: University of Texas Press, 1964, repr. 1992, ISBN 0-292-73061-6, Saga of Óláf Tryggvason ch. 60, p. 200.
Knut Helle, Cambridge History of Scandinavia, Volume I, Prehistory to 1520, Cambridge University Press, 2003, ISBN 0-521-47299-7, p. 191.
Heimskringla ed. Hollander, St. Óláf's Saga ch. 33, p. 268.
Sigwart Sörensen, Norway, Nova Iorque: Collier, 1899, OCLC 474863147, pp. 79-80.

«Etymology of the Norse word svin». Online Etymology. Consultado em 27 de setembro de 2016

Veja Joan Turville-Petre, "The Genealogist and History: Ari to Snorri", Saga-Book 20 (1978-81), pp. 7-23 (pdf), especialmente a p. 15: "[Harald Fairhair's] successors Óláfr Tryggvason, Óláfr helgi and the Norwegian kings descended from Haraldr harðráði [e]ach . . . represented a separate line, which had to be connected to Haraldr: as he was their political forerunner, so also he must be their common ancestor".