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by Carl Alfred Jacobson (Editor), Wilhelm Segerblom (Editor)
Cobalt, Columbium, Copper, Didymium, Dysprosium, Erbium, Europium, Fluorine, Gadolinium, Gallium, Germanium, Gold, Hafnium, Holmium, Hydrogen, Illinium, Indium, Iodine, And Iridium.