695.1 Christopher ENTZELT [1517-1583]. De re metallica, hoc est, de origine, varietate, et natura corporum metallicorum, lapidum, gemmarum, atque aliarum, quĉ ex fodinis eruuntur, rerum, ad medicinĉ usum deservientium, libri III. 8° Francofurti: apud Chr. Egenolphum [1551] Ferguson Young Nat Union Cat Wisconsin [Illustrated:- Five small woodcuts of shells and the stomach of a fish, on pages 227, 229, 232 and 241.]