In 1877 Reusch founded a popular science magazine, Naturen. He edited it for the first four years. Among his separate publications were Silurfossiler og pressede Konglomerater (1882) and Det nordlige Norges Geologi (1891). He chaired the Norwegian Geographical Society from 1898 to 1903, and from 1907 to 1909. In 1900 he was among the founders of the Norwegian association of book artwork (Foreningen for norsk bokkunst). In 1907, his honorary doctorate was awarded at Oxford University. In 1922, he served as the first chairman of the Norwegian Association of Bibliophiles (Bibliofiklubben).
