1. Cause of wear in sheep's teeth;Baker;Nature,1959
2. Opaline silica bodies in the range grasses of Southern Alberta;Blackman;Canadian Journal of Botany,1971
3. The use of epidermal characteristics for the identification of grasses in the leafy stage;Davies;Journal of the British Grassland Society,1959
4. Chronicles in grains of sand;Doornkamp;The Geographical Magazine,1973