He finished making National History, "Nihon San-dai Jitsuroku" and also entered into editing the San-dai Kyakushiki government, which was the basic law of ritsuryo codes, but he died without finishing it, and in 927 his brother FUJIWARA no Tadahira succeeded in Tokihira's desire to finish it.
国史『日本三代実録』を完成させ、また律令政治の基本法である三代格式の撰修に取り掛かったりしたが、完成に至らぬまま早世し、弟藤原忠平らがその志を継いで延長5年（927年）に完成した。