He also wrote several works on the history of literature . Among linguists, professors I . Pollak (1785-1825) and Leopold Umlauf (1757 - 1807) also deserve attention .
Waxa uu sidoo kale qoray shuqullada dhowr ah oo ku saabsan taariikhda iyo suugaanta. Ka mid ah Shaqaalaha, Professor I. Pollak (1785-1825) iyo Leopold Umlauf (1757 - 1807) Waxa kale oo mudan dareenka.