Mapping the World of Knowledge: Cartograms and the Diffusion of Knowledge ISKO Rome 2010 Lynne C. Howarth Faculty of Information University of Toronto,
A Beginners Guide to GIS Bob Lang FRGS C.Geog King Edward VI Five Ways School.
Mapping and Visualising Census Data Keith Cole Jackie Carter Geo-data forum - 4/4/2001.
History of GIS Idea of map overlay began at least 150 years ago… Irish railway commissioners Picked up by planners and used in early part of the 20 th.
