In response to the Nazi movement, which was particularly violent in Wuppertal, the anarcho-syndicalists founded their own combat group, the Black Squad.

[1][2] In March 1933, after the "seizure of power" by the Nazi Party, Kirschey was imprisoned again for several months and then emigrated to the Netherlands in November 1933.

[3] In August 1936 he went to Spain and initially worked in the service of the German anarcho-syndicalists in Barcelona, which had been given the task of organizing all German-speaking foreigners.

In 1968 he joined the Communist Party of Sweden after taking a position against the invasion of Czechoslovakia by Warsaw Pact troops.

In 1998 he published his memoirs, written by the journalist Richard Jändel, for which he received the culture award of the Swedish Workers' Education Association.