P128
Peggy Study, Panel P128 Themes: Language Development, Object Exploration, Social Interaction Source: (Lawler); date: 7/6/1980 Title: Text commentary: P128A Intro: audio; bad video, 6mb P128B1 Dapper Dan, 9mb P128B2 Dapper Dan, 15mb P128C1 Letter Desk, 23mb P128C2 Letter Desk, 22mb P128D1 Standard Objects, 18mb P128D2 Standard Objects, 24mb P128E1 Blocks, 21mb P128E2 Blocks, 12mb