The subject of Criminal Justice may involve many fields - choose the sources accordingly. When searching for a subject remember to use the Library of Congress Subject Headings , located near the Reference desk. If the search results in too many items, or help is needed to limiting the results by date, etc. They can provide background and an overview of the topic, even help to narrow a topic.
Most encyclopedias also provide citations to additional sources of information.
Specialized resources, like dissertations, government materials, may be located by using other indexes or guides. The Golda Meir Library contains an abundance of statistical sources. A wealth of information related to criminal justice is available on the Internet.