メクレンブルク＝シュヴェリーン
Among his better written efforts was a book involving the 1859 cholera epidemic in the Grand Duchy of Mecklenburg-Schwerin, "Die Choleraepidemie des Jahres 1859 im Großherzogthum Mecklenburg-Schwerin" (1860). Other principal works by Ackermann include: