23. The method as recited in claim 18 wherein content of said another set of legal documents is the same as content of said set of legal documents.
18. A computer-implemented method of sorting a set of legal documents comprising a list of responsive documents generated by a search of at least a subset of a database, said search including a step of performing a query, said method comprising the steps of: for each legal document in said list of responsive documents, collecting, from a citation table, a number of times each said legal document of said list of responsive documents is cited by legal documents in another set of legal documents comprising documents included in said database; wherein said set of legal documents of said list of responsive documents is generated by performing a query on a database; sorting said set of legal documents generated by performing said query in an order based upon said number; and communicating results of said sorting step, in an order corresponding to the order in which legal documents of said set of legal documents generated by performing said query are placed by said sorting step, to a user.