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Mineralogy
Mineralogy
Scientific study of minerals
Ion Simionescu; Ion Th. Simionescu, (geolog, paleontolog) (1873-1944)
Octavian Goga Cluj County Library
Constantin Gruescu
Moldova National Museum Complex
Constantin Gruescu
Moldova National Museum Complex
Constantin Gruescu
Moldova National Museum Complex
Constantin Gruescu
Moldova National Museum Complex
Constantin Gruescu
Moldova National Museum Complex
Constantin Gruescu
Moldova National Museum Complex
Constantin Gruescu
Moldova National Museum Complex
Constantin Gruescu
Moldova National Museum Complex
Constantin Gruescu
Moldova National Museum Complex
Constantin Gruescu
Moldova National Museum Complex
Constantin Gruescu
Moldova National Museum Complex
Constantin Gruescu
Moldova National Museum Complex
Constantin Gruescu
Moldova National Museum Complex
Constantin Gruescu
Moldova National Museum Complex
Constantin Gruescu
Moldova National Museum Complex
Marsili, Luigi Ferdinando
National and University Library of Slovenia
Fichtel, Johann Ehrenreich von (mineralógus) (1732-1795)
University of Miskolc
Zipser Keresztély András
University of Miskolc
University of Miskolc