 He was among the first linguists to apply procedures of comparative grammar to Latin and Greek.His major work on Roman phonology, ""Die römische Lautlehre sprachvergleichend dargestellt"" (volume 1, 1837) unfortunately remained unfinished.A number of his essays were published in the ""Jahrbüchern für wissenschaftliche Kritik "" and in Adalbert Kuhn's ""Zeitschrift für vergleichende Sprachforschung"" (Journal of Comparative Linguistics).