 The 20-fascicle edition records the Kamakura Period court noble Sugawara no Tamenaga (菅原為長, 1158-1246 CE) as the dictionary editor.He likely compiled it at the end of his life, in the Kangen era (1243-1247 CE).Head entries in the "Jikyōshū" give the "kanji", rime group (from the "Guangyun"), "on'yomi" Sino-Japanese reading (usually in Chinese "fanqie"), and "kun'yomi" Japanese reading in "katakana".