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1. Communist China Ethnolinguistic Groups, 1971

1971. Digital Social Science Center (DSSC), Columbia University Libraries and United States. Army Topographic Command. This is a scanned version of the 1971 paper map entitled: Communist China Ethnolinguistic Groups. The map was scanned at 300 dots per inch and is ... United States. Army Topographic Command.

2. Communist China, Railroads, 1971

1971. Digital Social Science Center (DSSC), Columbia University Libraries and United States. Central Intelligence Agency. This is a scanned version of the 1967 paper map entitled: Communist China, Railroads. The map was scanned at 300 dots per inch and is in the TIFF ... United States. Central Intelligence Agency.