[1] Krásnohorská wrote the libretti for four operas by Bedřich Smetana: The Kiss, The Secret, The Devil's Wall and Viola.

She also wrote the libretto for Zdeněk Fibich's opera Blaník.

[citation needed] In 1873, she founded the women's magazine Ženské listy, which she headed until handing it over to Jindřiška Flajšhansová in 1912.

[2][3]: 75 In 1890 Krásnohorská founded the Minerva School in Prague, the first gymnasium for girls in the Austro-Hungarian Empire.

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