Saikyuki (Saiguki) was a book on Yusoku kojitsu (court and samurai rules of ceremony and etiquette) and rites, which was compiled by MINAMOTO no Takaakira during the Heian period.
西宮記（さいきゅうき/さいぐうき）は、平安時代に源高明によって撰述された有職故実・儀式書。