sentences:  Zimmerman specialized in the translation of German poetry into English and of English language classics into the Pennsylvania German dialect, which, during his lifetime, was spoken by a significant percentage of the population in the area where he lived and worked.Because of his association with the "Reading Times", in which his translations were regularly published, he was able to reach a large number of readers in the Berks County region.His most notable translations included Clement C. Moores' "Twas the Night Before Christmas", Martin Luther's "Ein feste Burg ist unser Gott" ("A Mighty Fortress Is Our God)" and Friedrich Schiller's "Die Glocke" ("Song of the Bell").