Mineralogy : an introduction to the study of minerals and crystals /

by Kraus, Edward Henry 1875-1973, Kraus, Edward Henry 1875-1973, Hunt, Walter Fred n. 1882, Ramsdell, Lewis Stephen 1895-1975
Published 1951

Mineralogía : una introducción al estudio de minerales y cristales /

by Kraus, Edward Henry 1875-1973
Published 1965