1. C14 Dating and the Neolithic in Ireland;Watts;Ant.,1960
2. Third Report of the Sub-Committee of the South-Western Group of Museums on the Petrological Identification of Stone Axes;Stone;PPS,1951
3. New Petrological Groups based on Axes from the West Midlands;Shotton;PPS,1959
4. The Perforated Axe-Hammers of Britain;Smith;Arch.,1926