Gotha, Julius Perthes, 1894. 4to. No wrappers. IV,120 pp. and 2 folded maps.
(Petermann's ""Geographischen Mittheilungen"", Ergänzungsheft No 112).
Gotha, Julius Perthes, 1895. 4to. No wrappers. IV,66 pp. and 2 folded maps.
(Petermann's ""Geographischen Mittheilungen"", Ergänzungsheft No 117).