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AJS 212 - East - Juvenile Justice Procedures: Encyclopedias
Reference sources provide background information about your topic. They provide context and help you gain a clearer understanding of the issue or subject you are writing about. They provide you with an overview of the topic and can help you focus your investigation by providing common subtopics, events, personalities, and keywords. Normally you do cite a reference source because it is Subject Common Knowledge.
The Statistical Abstract of the United States, published since 1878, is the authoritative and comprehensive summary of statistics on the social, political, and economic organization of the United States.