She created the magazine Almanach das Senhoras and she was the only woman to be a founding member of the Association of Portuguese Writer and Journalists.

[citation needed] She became known for her links to people like Victor Hugo and Alexander Dumas and she contributed to a wide range of newspapers and magazines.

She wrote under the pseudonym of Delfim de Noronha for the first few issues, but from then on, she began to reveal her true identity in articles and headings.

[4] Zeferino's magazine focussed on theatre and literature and was published from January to October in 1881.

[5] She was the first woman to be in the Association of Portuguese Writer and Journalists as one of its founding members in 1880.