The Jewish poet Mascha Kaléko (1907-1975) wrote, among other things, about experiences of exile, homelessness and not belonging. This website provides information about her life and work.
Mascha Kaléko 2012: Complete Works and Letters in Four Volumes. Munich: dtv
If you don’t have a bookstore worth supporting near you, you can also buy the book from the alternative non-profit online bookstore links-lesen.de, which supports political projects with the profits. The link to the book can be found here.