Pan American Scientific Congress. Estimate of appropriation to enable Government to participate in 2d Pan American Scientific Congress to be held at Washington, D. C., in Oct. 1915.
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Pan American Scientific Congress. Estimate of appropriation to enable Government to participate in 2d Pan American Scientific Congress to be held at Washington, D. C., in Oct. 1915.
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Pan American Scientific Congress. Estimate of appropriation to enable Government to participate in 2d Pan American Scientific Congress to be held at Washington, D. C., in Oct. 1915.