The Five Mahayana Sutras(Hoke-kyo(法華経), Kegon-kyo(華厳経), Nehan-kyo (涅槃経), Daijik-kyo(大集経), Daibon hannya-kyo(大品般若経) were printed at Kofuku-ji(興福寺)in Nara. Those were called Kasuga edition(春日版). Those were printed in the latter period in Kamakura era. The purpose of this thesis is to specify a dependence book of the Five Mahayana Sutras. The next was understood by consideration of this thesis.
1. A dependence book of "Nehan-kyo(涅槃経)" is Touzenji ban hokokuhon(東禅寺版補刻本).
2. A dependence books of Kegon-kyo(華厳経), Daijik-kyo(大集経)and Daibon hannya-kyo(大品般若経)are Sikei ban(思渓版).
This thesis continues after a next issue.