It took the form of studying historical evidence of Shikinai-sha, Kokushigenzaisha and other prominent shrines in terms of the way of reading the names of such shrines, the enshrined deities and the places of enshrinement by quoting the descriptions about each shrine from the various books, such as Rikkokushi (the Six National Histories).
体裁は、式内社や国史見在社、その他著名な神社を、六国史を始めとする諸書から各神社に関係する記述を引用しながら、社名の訓み・祭神・鎮座地等を考証している。