Weikart, David P. Quality preschool programs : a long-term social investment / David P. Weikart. - viii , 28 ; 24 cm. - Occasional paper; 5 . ISBN: 0916584372 Subjects--Topical Terms: Education Index Terms--Genre/Form: Preschool education.Children.Educational innovations.Poverty.USA. Dewey Class. No.: 372.21973 / W421