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181Published 1998“...United States Social conditions 1980- Congresses....”
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184
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185
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186by Gilbert, Dennis A.“...United States Social conditions 1980- Public opinion Indexes....”
Published 1988
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187by Berlage, Gai“...United States Social conditions 1980- Problems, exercises, etc....”
Published 1999
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189
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192
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193Published 1992“...United States Social conditions 1980-...”
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196
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197Published 1992“...United States Social conditions 1980-...”
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