Gallup Poll/ American Institute of Public Opinion, [1946-1960]
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下载链接：
https://abacus.library.ubc.ca/dataset.xhtml?persistentId=hdl:11272.1/AB2/JHQDGS
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资源简介：
The Gallup Organization, 2009, "Gallup Poll/ American Institute of Public Opinion, [1946-1960]", https://hdl.handle.net/11272.1/AB2/JHQDGS, Abacus Data Network, V1
