Also, after 1986, a lot of information and materials including his hand drawn maps, sketches, and diaries were newly found in Joren-ji Temple, where he was born and raised.
また、1986年（昭和61年）以降、自坊の浄蓮寺より、自筆の地図、スケッチや、日記などを含む多くの新出資料が発見された。