Nr. 15. Suedwestafrikanisches Schutzgebiet. (Southwest Africa Reserve in 4 Sheets, Sheet 1).
Nr. 15. Suedwestafrikanisches Schutzgebiet in 4 Blaettern, Blatt 1. (Southwest Africa Reserve in 4 Sheets, Sheet 1).
Langhans, Paul
1894
1897
Justus Perthes
1:2 000 000