Index to Legal Periodicals Retrospective: 1908-1981 This link opens in a new windowIndex to Legal Periodicals Retrospective: 1908-1981 is a retrospective database that indexes over 750 legal periodicals published in the United States, Canada, Great Britain, Ireland, Australia and New Zealand. Content is also drawn from 38 printed compendia, which provides access to approximately 540,000 records. Coverage also includes: annual surveys of laws by jurisdiction; annual surveys of federal court cases; yearbooks and annual institutes.