RT Book, Whole DB /z-wcorg/ DS http://worldcat.org ID 056241885 LA English T1 Georgius Agricola De re metallica. tr. from the 1st Latin ed of 1556, with biographical introduction, annotations and appendices upon the development of mining methods, metallurgical processes, geology, mineralogy & mining law, from the earliest times to the 16th century, A1 Agricola, Georg,, Hoover, Herbert,, Hoover, Lou Henry,, PB Dover Publications PP New York YR 1950