Cauvain, Stanley P.; Young, Linda S. (20 May 2007). Technology of Breadmaking. Springer Science & Business Media. ISBN9780387385655. Retrieved 15 December 2017 – via Google Books.
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"Wienerbrød". Arbejdsgiverforeningen Konditorer, Bagere og Chocolademagere. Archived from the original on 2013-01-16. Retrieved 2012-01-17.
Inger Abildgaard (1 February 2007). "De danske kager er en fantastisk historie". Samvirke (in Danish). Archived from the original on 16 October 2014. Retrieved 16 October 2014. Interview with Bi Skaarup, a Danish food-historian and former president of "Det Danske Gastronomiske Akademi" (The Danish Gastronomical Academy).
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Hakon Mielche[in Danish] (1944). Jorden rundt med morgenbrød (in Danish). Hasselbalch.