Citators- A set of books and online sources that provide the subsequent judicial history and interpretation of reported cases or lists of cases and legislative enactments construing, applying, or affecting statutes. In America, the most widely used citators are Shepard's citations and Keycite.

Citation signals The citation signal appearing next to a case name indicates whether the decision has received positive, negative, cautionary or neutral treatment in subsequent judgments. The signal is a summary of the annotation information available from the list of appeal proceedings and cases referring to this case. Clicking on these signals will take you to the citation entry for these decisions. Hover your mouse over the symbol for a description.