To spread her ideas, Perk had set up in 1869 a periodical named Ons Streven (Our Endeavour), one of the first magazines in the Netherlands to promote women's equality, which would be published until 1878.

However, when the publisher put two male co-editors to work with her, she withdrew from the editorial team, because she suspected her colleagues of wanting to take the upper hand and feared that pieces against women's rights would also be included.

Ykema en van Gijn in Delft, who was also publishing Charles Darwin in Dutch at about the same time.

The magazine was entirely devoted to women's emancipation and had organizing, activating and emancipatory objectives, to which the title referred.

The founders of this new association wished to focus more on giving support to poorer women, who were allowed to sell their works anonymously.