"The Treatise on the Elucidation of the Knowable" was composed in 1278 for crown prince Zhenjin, second son of the Mongol emperor Qubilai. "The Cycle of the Formation of the Schismatic Doctrines" is based on Xuanzang's 7th-century Chinese translation ("Yibuzonglunlun") of the "Samayabhedoparacanacakra". This work presents two titles in one volume.