Jogan gishiki is a book of ceremonies that is believed to have been compiled during the Jogan era (Japan) during the early Heian period (book) (book of ceremony).
貞観儀式（じょうがんぎしき）は、平安時代前期の貞観(日本)年間に編纂されたとされる儀式(書物)（儀式書）。