In 1954, she published Z niedalekich podróży (From Nearby Places), a collection of articles.

[5] She published translations of French poetry by Guillaume Apollinaire, Blaise Cendrars, Max Jacob, Henri Michaux, and Pierre Reverdy and wrote books on Apollinaire and Gérard de Nerval.

[6] She also published translations of American poets such as Robert Bly and Marianne Moore.

[1] Hartwig's poetry has been translated into English, French, Italian, Russian, Lithuanian, Serbian, Greek and German.

Julia Hartwig is survived by her only daughter, Danielle Lehtinen, educator and artist, whom she often visited in New York City and in Pennsylvania.