Six papers presented at a conference on early childhood first and second language acquisition sponsored by the California state legislature's Child Development Programs Advisory Committee include: "Bilingual Development and the Education of Bilingual Children During Early Childhood" (Eugene E. Garcia); "An English-Only Preschool Program" (William Lambert); "A Brief Case for Bilingual Preschools" (David P. Dolson); "Second-Language Learning in Early Childhood: Some Thoughts for Practitioners" (Barry McLaughlin); "The Intellectual Power of Bilingualism" (Rafael M. Diaz); and "A Spanish-Language Preschool Program" (James Campos). Recommendations for policy, program, and curriculum development based on current research findings are included. A bibliography and a list of advisory committee members are appended. (MSE)