Jodo-wasan (118 verses) and Koso-wasan (119 verses) are considered to have been written around 1248, and Shozomatsu-wasan (116 verses) is assumed to have been writtem around 1257.
浄土和讃(118首)、高僧和讃は(119首)は宝治2年（1248年）頃の作、正像末和讃(116首)は正嘉1年（1257年）頃の創作とされる。