Halsman spent two years in prison, contracted tuberculosis there, and his letters from prison were published as a book in 1930: Briefe aus der Haft an eine Freundin.
Halsman je proveo dvije godine u zatvoru, gdje je obolio od sušice; pisma iz tog razdoblja su objavljena 1930. kao knjiga Briefe aus der Haft an eine Freundin.