Analysis of information sources in references of the Wikipedia article "Xue Rengui" in English language version.
A prosimetrical rendition, entitled Xue Rengui kuahai zheng Liao gushi 薛仁貴跨海征遼故事 (The story of Xue Rengui crossing the sea and Pacifying Liao), which shares its opening prose paragraph with the Xue Rengui zheng Liao shilüe, is preserved in a printing of 1471; it is one of the shuochang cihua 說晿詞話 (ballad-narratives
for telling and singing) which were discovered in the suburbs of Shanghai in 1967.3 While these shuochang cihua had been printed in modern-day Beijing, their language suggests that they had been composed in the Wu-dialect area of Suzhou and surroundings
