The experimental libertarian Cecília Colony he founded in Brazil in 1890, inspired several fictional treatments including a feature film La Cecilia in 1976.

[1][2] In November 1887, Rossi founded and served as secretary of a collective in Cremona, "Colonia Cittadella", based on his ideas about cooperative agriculture.

[1] Although the colony did not survive, it inspired several fictional treatments including a 1949 novel by Afonso Schmidt, a 1976 film by Jean-Louis Comolli, and a Brazilian stage play titled Colônia Cecília by Renata Pallottini.

[1] Rossi remained in Brazil until 1907, working as an agronomist and writing a novel titled Il Paraná nel XX Secolo.

[5] In 1907 he returned to Italy, where he worked as a veterinarian and as a teacher, continuing to promote the formation of utopian colonies and the emancipation of women.