ABSTRACT
During my stay in Rome as a Fulbright research scholar in in 1959/60, I came across a curious little work in the Vatican Library, Borgiano Cinese 324 No. 17, in two fascicles or chüan https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781315255569/a60603a2-4cf3-4c95-92ed-628291949b54/content/math12_279_1.tif"/> Its title is: Hsi fang ta-wen https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781315255569/a60603a2-4cf3-4c95-92ed-628291949b54/content/math12_279_2.tif"/>, i.e. “Questions and Answers Regarding the West.” * Three more copies of the work are in the Bibliothèque Nationale of Paris, according to the catalogue of Courant. 1 Two editions are known, one of 1637 and another of 1642. 2
