Rudyard Frietsch

• Berggrund och malmer i Svappavaarafältet, norra Sverige
• En zon av kaolinlera och vittrad blodsten vid Svappavaara, Norbotten
• Järnmalmförekomster inom Norrbottens län
• The iron ores of the Krivoi Rog area, Ukraine, Soviet Union
• The occurrence and composition of apatite with special reference to iron ores and rocks in northern Sweden
• The ore deposits of Sweden
• The origin of the Kiruna iron ores
• The relationship between magnetite and hematite in the iron ores of the Kiruna type and some other iron ore types
• Trace elements in magnetite and hematite mainly from northern Sweden