Berlin, Mittler und Sohn, 1894. Contemp. clothbacked boards. Printed titel from orig. wrappers pasted on frontboard. 68 pp., 10 large folded tables etc. (Anlagen) and map in colour.
Berlin, Mittler und Sohn, 1891. 8vo. In contemporary half calf with part of front wrapper pasted on to front boards. Paperlabel pasted on to pasted down front end-paper and stamp to title-page. Internally fine. 64 pp. + 2 folded maps and a plate [complete].