Böckh, HUgo von. Mining and stone industry of Hungary, by H. Böckh, Z. Lázár, S. Papp, M. Pálfy, T. Szontagh, and A. Zsigmondy. - Budapest, F. Pfeifer (Bros. Zeidler) 1920. - 44 p. 24 cm. LCCN: gs 20000250 Subjects--Topical Terms: Mines and mineral resources--Hungary.Stone--Hungary. LC Class. No.: TN65.5 / .B6