A poem called 'Shoshin Nenbutsuge' is in the last part of the volume named 'Gyokan' of "Kyogyo shinsho", and the poem consists of 120 lines (7 letters in each line).
「正信念仏偈」は、『教行信証』の「行巻」の末尾にある、七言百二十句からなる偈文。