Reflection of American education experimentation in 20th century 并列题名：Reflection of American education experimentation in 20th century A historical study on American thought of teacher education in 20th century Study on the historical education of China in 20th century 并列题名：A historical study on American thought of teacher education in 20th century colection of humane readings in the 20th century 并列题名：Study on the historical education of China in 20th century Research on Chinese piano education thought in the 20th century Study of American decolonization policy in the 20th century 并列题名：Study of American decolonization policy in the 20th century