Analysis of information sources in references of the Wikipedia article "Bắt trẻ đồng xanh" in Vietnamese language version.
|date= (trợ giúp)In 1960 a teacher in Tulsa, Okla., was fired for assigning "Catcher in the Rye." After appealing, the teacher was reinstated, but the book was removed from the itinerary in the school.
|date= (trợ giúp)During 1981, The Catcher in the Rye had the unusual distinction of being the most frequently censored book in the United States, and, at the same time, the second-most frequently taught novel in American public schools.
|date= (trợ giúp)During 1981, The Catcher in the Rye had the unusual distinction of being the most frequently censored book in the United States, and, at the same time, the second-most frequently taught novel in American public schools.