Mid-Permian Phosphoria Sea in Nevada and the upwelling modelKeith Brindley Ketner · First published 2009Open the Tome
Strata-bound, silver-bearing iron, lead, and zinc sulfide deposits in Silurian and Ordovician rocks of allochthonous terranes, Nevada and northern MexicoKeith Brindley Ketner · First published 1983Open the Tome
Handel en scheepvaart van Amsterdam in de vijftiende eeuwF. Ketner · First published 1946Open the Tome
De Oudste Oorkonden Van Het Klooster Bethlehem Bij DoetinchemFrans Ketner · First published 1932Open the Tome