Contributors included Bertel Gripenberg, Matti Jaakkola, Gunnar Lindqvist and Olavi Linnove.

Kustaa Vaasa was formed with the intent of unifying all non-socialists in Finland, and had relatively civil tone, compared to aggressive and virulent antisemitism of the Siniristi.

However, despite the reconciliatory tone, overtures to the conservatives and strong anti-socialism, Kustaa Vaasa described itself as openly "National Socialist" and maintained active contacts with the German Nazis.

Räikkönen also traveled in 1940 to German-occupied Norway where he met Franz Walther Stahlecker, leader of the Sicherheitspolizei and the Sicherheitsdienst.

Lindqvist wrote in Kustaa Vaasa how the local Jewish people had pushed England and the United States to side with the Soviet Union: "From behind the satanic, cold and calculated plot steps out the Judas' face of global political Judaism and the jingle of the traitors' bloody silver coins carries over the oceans.