Die Gesteine des Duppauer Gebirges in Nord-Böhmen / av Clements, J. Morgan 1869-, Clements, J. Morgan 1869-

Die Gesteine des Duppauer Gebirges in Nord-Böhmen av Clements, J. Morgan 1869-

<<The>> Vermilion iron-bearing district of Minnesota : with an Atlas / av Clements, J. Morgan, 1869-

Atlas to accompany monograph XLV on the Vermilion iron-bearing district of Minnesota / av Clements, J. Morgan, 1869-

The Crystal Falls Iron-Bearing District of Michigan av Clements, J. Morgan 1869-, Smyth, Henry Lloyd, Bayley, William S. 1861-1943

<<The>> Crystal Falls ion-bearing district of Michigan : with a ch. on the Sturgeon River Tongue /

Övriga upphovsmän: “…Clements, J. Morgan, 1869-…”