Introduction

Slovak Mining Museum, Banská Stiavnica, Czechoslovakia

Slovakian National Museum, Bratislava, Czechoslovakia

Moravian Museum, Brno, Czechoslovakia

Národní Museum, Prague, Czechoslovakia

State Museum of Mineralogy and Geology, Dresden, East Germany

Freiberg Mining Academy, Freiberg, East Germany

Harzmuseum, Wernigerode, East Germany

Hungarian Natural History Museum, Budapest, Hungary

Loránd University Mineral Museum, Budapest, Hungary

Wieliczka Saltworks Museum, Wieliczka, Poland

The Gold Museum, Brad, Romania

Fersman Mineralogical Museum, Moscow, USSR

Leningrad Mining Institute, Leningrad, USSR

Slovenia Natural History Museum, Ljubljana, Yugoslavia

Trepca Mineralogical Museum, Stari Trg, Yugoslavia

Appendix

Bibliography