Career

His 1916 collections of African Rhopalocera (1916) are in Staatliches Museum für Naturkunde Stuttgart de:Staatliches Museum für Naturkunde Stuttgart.Later collections of Lepidoptera from Colombia (1920, 1926 and 1927), Ubangi, Congo (1929 and 1931), Cameroon and Lake Chad (1932) and Ecuador, (1935 and 1939) are in Museum für Naturkunde in Berlin.