The sutras were considered to be phantom scriptures as it is estimated that there were originally over 5,000 scrolls but, until this collection was discovered at Myoren-ji Temple, there were only 40 known to exist
5,000巻余あったものと推測されていたが、この妙蓮寺蔵本が発見されるまでは、僅かに40余巻が現存するだけで、幻の経典であった。