Presents a comparison of the major features of two Web-based legal periodical index implementations, including Information Access Company's LegalTrac and the H.W. Wilson Index to Legal Periodicals (ILP). Also provides comparative information about implementation of each of these as offered through license with SilverPlatter, Dialog, and WESTLAW. Summarizes topics covered by periodicals indexed by LegalTrac and ILP, and outlines features and benefits of each database.