P039
Peggy Study, Panel P039 Themes: Communication, Object Exploration, Social Interaction Source: (Lawler); date: 10/23/1978 Title: Text commentary: These clips show ??; Why important ?? P039A1 In the High Chair, 27mb P039A2 In the High Chair, 22mb P039B Interlude, 2mb P039C1 In the Walker, 28mb P039C2 In the Walker, 21mb P039D High Chair Again 24mb P039E …