1. The implications of psychological theory and methodology for cognitive cartography;Blades;Cartographica,1986
2. Map use in the environment and educating children to use maps;Blades;Environmental Education and Information,1986
3. Map use by young children;Blades;Geography,1986
4. The use of maps by 4–6 year old children in a large scale maze;Blades;British Journal of Development Psychology,1987
5. Young children's recognition of environmental features from aerial photographs and maps;Blades;Environmental Education and Information,1987