Among them, "Oshihinotsutae Tensonki" and "Shinto Genten" are not komonjo (old documents) or kobunken (old literature), but the former is a document written through automatism and the latter is a book of inspired by a visit to the spiritual world.
このうち、『忍日伝天孫記』と『神道原典』は古文書・古文献ではなく、前者は自動書記、後者は霊界往来による霊感の書である。