Bergwerk- und Probierbüchlein. A translation ... of the Bergbüchlein, a sixteenth-century book on mining geology [sometimes attributed to Ulrich Rülein von Kalbe], by Anneliese Grünhaldt Sisco, and of the Probierbüchlein, a sixteenth-century work on assaying, by Anneliese Grünhaldt Sisco and Cyril Stanley Smith, with technical annotations and historical notes. [With facsimiles of the original titlepages.].