H. J. Hofmann

• Notes on the geology and micropaleontology of the Proterozoic Thule Group, Ellesmere Island, Canada, and North-West Greenland
• Shale-facies microfossils from the Proterozoic Bylot Supergoup, Baffin Island, Canada
• Shale-facies microfossils from the proterozoic Bylot supergroup, Baffin Island, Canada