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Here, a 1933 #map for Boyd's work in Greenland. Learn more at @AGSLib's interactive map of Boyd's 1931 expedition, https://t.co/McLexoauOj #maptimenotnaptime
Map of the world by the population of people speaking indigenous languages (as opposed to languages of colonial powers etc.) with map-by-population for comparison. #maptime
World Map stretched so countries are sized by books published per capita. #maptime