Letter "Onnaguruma jo" Kuninomoushifumi cho (Shogei Bunka In): an apologetic letter written in 982, during the tenure of Sukemasa as governor of Iyo Province, Sukemasa wrote Kanpaku FUJIWARA no Yoritada through FUJIWARA no Tamemasa who was a vassal of Yoritada.
書状（女車帖・国申文帖）-書芸文化院蔵-天元5年（982年）4月、佐理が伊予権守在任中に関白藤原頼忠の家司であった藤原為雅通じて藤原頼忠にあてた詫び状。