Volonteri, Simeone, 1831-1904 Map of the San-On District, (Kwangtung Province) [cartographic material] : drawn from actual observations made by an Italian Missionary of the Propaganda in the course of his professional labors during a period of four years : being the first and only map hitherto published, May 1866 = Xin'an Xian quan tu 1866. MAP RM 279. More information