MS Word by default inserts "passim" in your Table of Authorities. The 9th Circuit discourages it -- the court wants to see every page where the authority is cited (unless the authority appears on nearly every page). See https://cdn.ca9.uscourts.gov/datastore/uploads/guides/Shell_Brief.pdf. Bryan Garner's LawProse.org has this entry on passim, suggesting it may be rather archaic by now: passim...