Cartographic Details: Scale not given (E 80°--E 120°/N 30°--N 1°). Relief shown by hachures. Map showing the boundaries of Catholic dioceses in Southeast Asia in the 1850s. Probably Tav. CVI from: L'orbe cattolico ossia Atlante geografico storico ecclesiastico / [opera del commendatore Girolamo Petri]. Roma : Tipografia della reverenda Camera apostolica, 1858-1859. 48 x 63 centimeters Scale not given. Ames Library of South Asia Maps