We can find out five "mainstay books" in several architectural reference books which described the technics of the Shitennoji school "Heinouchi-ke". In this paper, we intend to clarify the bibliography of each book and to analyze the composition of that. As a result, we are able to draw out the following conclusion ; composition and contents in the original text of technical books for Shitennoji school are well remained in "Shoki-shu", the other side, "Shomei" contains later various element.