Mixed lot - 2 pieces, "Schätze der Erde, Entstehung, Gewinnung und Verwertung der interessantesten Stoffe aus allen Gebieten der Natur", Blochmann, Richard Dr., 318 pp., UDV ca. 1903, gold embossed art nouveau full cloth binding, grey edges all around, cover slightly worn, "Schubert's Naturgeschichte Mineralogie", Verlag Schreiber Eßlingen b. Stuttgart, "24 Tafeln mit 490 kolorierten Abbildungen", Dr. A. Kenngott, 78 pp., half cloth with mounted col. cover illustration, binding somewhat stained, edges bumped, signs of age. Cover illustration, cover somewhat stained, edges bumped, signs of age.

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