Reconnaissance Report for the Operation of Prado Dam for Water Conservation, Santa Ana River Basin, Orange County 1993EN
Water losses in the upper Santa Ana canyon below Prado Dam, California. by Dean C. Muckel and Harry F. Blaney.United States. Soil Conservation Service.1946EN
Los estudios de relaciones laborales en España / autores, Alfaro de Prado Sagrera, Ana M., Rodríguez-Piñero Royo, Miguel C., Ugalde Gonzáles, J. Ignacio.Alfaro de Prado Sagrera, Ana1996ES
Paco en el Perú Edna E. Babcock, Helen M. Kwapil Edith Ann Bach. Editorial consultantEdna E. Babcock1957ES