Catholics in Viet Nam in the period 1945-1975 ; Cuon sach chuyen khao “Cong giao Viet Nam Giai đoan 1954-1975”, do TS. Ngo Quoc Đong (Chu bien) va Vien Nghien cuu Ton giao thuoc Vien Han lam Khoa hoc xa hoi Viet Nam thuc hien, la mot cong trinh nghien cuu hoc thuat quan trong, cung cap cai nhin toan dien ve vai tro va su bien đong cua Giao hoi Cong giao trong mot giai đoan lich su đay phuc tap. Tac pham đi sau vao phan tich nhung tac đong cua Hiep đinh Geneve 1954 va su chia cat đat nuoc đoi voi cong đong Cong giao Viet Nam, đac biet la hien tuong di cu lon vao mien Nam. Cuon sach khong chi trinh bay ve co cau to chuc, đoi song ton giao ma con nghien cuu ve moi quan he phuc tap giua Giao hoi va cac chinh quyen o ca hai mien Nam Bac ; The monograph book "CATHOLICS IN VIETNAM IN THE PERIOD 1945-1975", conducted by Ngo Quoc Dong (Editor) and the Institute for Religious Studies of the Vietnam Academy of Social Sciences, is an important academic research work, providing a comprehensive view of the role and dynamics of the Catholic Church in a complex historical period. The work delves into the analysis of the impacts of the 1954 Geneva Accords and the country's division on the Vietnamese Catholic community, especially the phenomenon of mass migration to the South. The book not only presents the organizational structure and religious life, but also studies the complex relationship between the Church and the governments in both the North and the South.