In one aspect, the invention comprises a computer system for searching databases and displaying search results, comprising databases storing information regarding publications and authors comprising author, title, date of publication, cited references, and citing references data; and Internet servers in communication with those databases; wherein at least one of those Internet servers is in communication with and operable to transmit data to a Web browser resident on a user's computer, and wherein the data is sufficient to enable the browser to display a citation overview page comprising: (a) a list of one or more titles of publications or names of authors, and (b) one or more displayed numerals representing how many publications in one or more specified categories cite to each of the publications, or, for author names, how many publications in one or more specified categories cite to publications on which those names are listed as authors.