There is no unified source for this. There are many others, such as Ma Shou's birth, Zhang Guangtai's return home and Song Jingang's gambling. These are all from Yongqing to Shengping, some are real events in Tianjin during the Republic of China, some are stories in three words and two beats, some are biographies of Jigong, and some are short stories, usually adapted from traditional stand-up crosstalk. All kinds.
If you are satisfied, please accept it.