Proceedings of the second Pan American Scientific congress : thunderstorms / by Alexander, William

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Proceedings of the second Pan American Scientific congress : monthly storm frequency in the United States / by Kullmer, C. J.

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Proceedings of the second Pan American Scientific congress : frost in the United States / by Reed, William Gardner

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Proceedings of the second Pan American Scientific congress : fog forecasting in the United States / by Frankenfield, H. C.

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Proceedings of the second Pan American Scientific congress : wind velocity and elevation - the collection of earthquake data in the United States / by Humphreys, W. J.

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Proceedings of the second Pan American scientific congress : the Known and the unknown with regard to the etiology and prevention of beriberi / by Vedder, Edward B.

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A guide to the law and legal literature of Mexico / by Vance, John T.

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Sociología norteamericana : historia de la sociología en los Estados Unidos hasta 1950 / by Odum, Howard W.

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La ciudad desnuda / by Packard, Vance

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Las corrientes liberales y anarquistas en los Estados Unidos / by Rocker, Rudolf, 1873-1958

Subjects: “…Anarquismo Estados Unidos…”

Educación y cultura en los Estados Unidos / by Munizaga Aguirre, Roberto

Subjects: “…145 EDUCACION ESTADOS UNIDOS…”

Hollywood y la historia de Estados Unidos : la fórmula estadounidense para contar su pasado / by Nigra, Fabio

Subjects: “…Cine- Aspecto político- Estados Unidos…”

Argentina, Estados Unidos y el sistema Interamericano : 1880-1914 / by McGann, Thomas

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Que significa el pragmatismo / by James, William

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American taxation : its history as a social force in democracy / by Ratner, Sidney

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De la democracia al imperialismo : Estados Unidos de 1841 a 1869 / by Melo, Carlos R.

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Panorama de la cultura de los Estados Unidos. by Larrabee, Eric

Diversos aspectos del derecho en los Estados Unidos.

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Algunas reflexiones sobre la flexibilidad en Estados Unidos by Manauta, Diego Fernando

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Desarrollo sustentable en la frontera México-Estados Unidos by Schmidt, Samuel

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