P. J. Hugo

• Bibliography of South West African/Namibian earth science
• Helium in the Orange Free State gold-field
• Operating gold mines and gold recovery plants in the Republic of South Africa
• Quislings or realists?
• Redistribution and affirmative action
• Salt in the Republic of South Africa
• South African perspectives
• Suid-Afrika
• The allanite deposits on Vrede, Gordonia District, Cape Province
• The Evander gas-field
• The pegmatites of the Kenhardt and Gordonia Districts, Cape Province
• Truth be in the field