This is about three and a half megabytes. A detailed look at the crime mapping phenomenon. Tons and tons of data and informationm such as annotated listings of graphical and statistical inks, instructional materials relevant to social and hard sciences, and much more. Check it out. The National Criminal Justice Reference Service is a key place to search for a wide variety of documents on crime and criminal justice.
Some documents are available for free and others for a fee.
This seems to be a researcher's dream come true. The National Data Archive on Child Abuse and Neglect at Cornell University. It has abstracts for over 145,000 justice publications, including government documents, books, journal articles, unpublished reports, and other matters from the 1970's-present. This resource is updated and free for now. If this is not satisfactory you may wish to try the GSS Surveys at this web page.