Proceedings of the Second Pan American Scientific Congress: (section V) Engineering. W. H. Bixby, chairman

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Proceedings of the Second Pan American Scientific Congress: (section V) Engineering. W. H. Bixby, chairman

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Proceedings of the second Pan American Scientific Congress, Washington, U.S.A., Monday, December 27, 1915 to Saturday, January 8, 1916 1915-1916 v. 12

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Proceedings of the second Pan American scientific congress

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Proceedings of the second Pan American Scientific Congress, Washington, U.S.A., Monday, December 27, 1915 to Saturday, January 8, 1916 1915- 1916 v. 4

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Proceedings of the Second Pan American Scientific Congress, Washington, U.S.A., Monday, December 27, 1915 to Saturday, January 8, 1916: (section IV, pt.1) Education. P. P. Claxton, chairman

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Proceedings of the Second Pan American Scientific Congress: (section I) Anthropology. W. H. Holmes, chairman

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Proceedings of the second Pan American Scientific Congress, Washington, U.S.A., Monday, December 27, 1915 to Saturday, January 8, 1916 1915- 1916 v. 6

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Proceedings of the Second Pan American Scientific Congress: (section III) Conservation of natural resources. G. M. Rommel, chairman

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Proceedings of the Second Pan American Scientific Congress: (section IX) Transportation, commerce, finance and taxation. I. S. Rowe, chairman

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