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Start Over Subjects District of Columbia ✖Remove constraint Subjects: District of Columbia Subjects Government Agencies ✖Remove constraint Subjects: Government Agencies Titles Mr. Luther Robinson's plan for ventilating the wings of the United States Capitol, June, 1870 ✖Remove constraint Titles: Mr. Luther Robinson's plan for ventilating the wings of the United States Capitol, June, 1870

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  • Mr. Luther Robinson's plan for ventilating the wings of the United States Capitol, June, 18701