ifood.tv. Retrieved 2014-02-05. http://www.ifood.tv/search/apachesolr_search/gustavus?filters=type:photo
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"Gustav Adolfs-bakelsens historia" (in Swedish). Danska wienerbageriet. Archived from the original on 2015-08-12. Retrieved 2014-02-05. https://web.archive.org/web/20150812213301/http://danskan.se/historia/gustav-adolf-bakelsens-historia
"Gustav Adolfs-bakelsens historia" (in Swedish). Danska wienerbageriet. Archived from the original on 2015-08-12. Retrieved 2014-02-05. https://web.archive.org/web/20150812213301/http://danskan.se/historia/gustav-adolf-bakelsens-historia
Nationalencyklopedin, Gustav Adolfsdagen /wiki/Nationalencyklopedin
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"Gustav Adolfs huvud ska vara i choklad", Göteborgs tidning 2011-11-06 http://www.expressen.se/gt/en-kungligt-god-historia-gustav-adolfs-huvud-ska-vara-i-choklad/
"Gustav Adolfs huvud ska vara i choklad", Göteborgs tidning 2011-11-06 http://www.expressen.se/gt/en-kungligt-god-historia-gustav-adolfs-huvud-ska-vara-i-choklad/
Brautigams; Archived 2014-11-06 at the Wayback Machine (in Swedish), the web page of the bakery. http://www.brautigams.se/historik/
"Gustav Adolf-bakelsen 100 år" (in Swedish). Sveriges Television. 2009-11-05. Retrieved 2014-02-05. http://www.svt.se/nyheter/sverige/gustav-adolf-bakelsen-100-ar
"Gustav Adolfs-bakelsens historia" (in Swedish). Danska wienerbageriet. Archived from the original on 2015-08-12. Retrieved 2014-02-05. https://web.archive.org/web/20150812213301/http://danskan.se/historia/gustav-adolf-bakelsens-historia
Ny standard skapad för Gustav Adolf-bakelser, Aftonbladet 2003-11-06 (in Swedish) https://www.aftonbladet.se/nyheter/article10410111.ab
Nordiska museet: Gustav Adolfsdagen Archived 2014-12-05 at the Wayback Machine (in Swedish) http://www.nordiskamuseet.se/en/node/2150
"Gustav Adolfs huvud ska vara i choklad", Göteborgs tidning 2011-11-06 http://www.expressen.se/gt/en-kungligt-god-historia-gustav-adolfs-huvud-ska-vara-i-choklad/