Curated OER
Kids Health: Cuantas Horas De Sueno Necesito?
This article stresses the importance of sleep and also gives tips on how to get all the sleep you need. In Spanish.
Smithsonian Institution
Smithsonian American Art Museum: Alfredo Arreguin
As part of the Smithsonian Art Museum's database of artists, this site provides biographical information on Alfredo Arreguin in addition to an extensive listing of his works as displayed at the museum.