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1932. Powell, Susan and Navarro, Fernando. This line dataset represents selected caravan routes and other trade routes in Mongolia in 1932. The routes are clipped at the Mongolian national b... UC Berkeley Library.
1932. Virtual Shanghai Project. This layer is a georeferenced image of a map of Shanghai that was published in 1932. It is a complete and detailed suvey of China's eastern coast b... Virtual Shanghai Project.