La National Industry Recovery Act (NIRA)

La industria papelera en Estados Unidos de Norteamérica /

por Castro, F. de

Water and land resource : accomplishments : statistical appendix I, 1978 / United States Department of the Interior, Bureau of Reclamations

Water and power resources service : 1979 annual report : Summary report /

Los rascacielos americanos : detalles constructivos y económicos /

por Marchesi, José María

A history of industrial power in the United States 1780 - 1930 : volume one : waterpower in the century of the steam engine /

por Hunter, Louis C