Analysis of information sources in references of the Wikipedia article "One true church" in English language version.
The one most talked about is the "Branch Theory," which assumes that the basis of unity is a valid priesthood. Given the priesthood, it is held that valid Sacraments unite in spite of schisms. Those who hold it assume that the Church is composed of Catholics, Eastern Orthodox, eastern heretics possessing undisputed Orders, and Old Catholics, Anglicans, Swedish Lutherans, Moravians, and any others who might be able to demonstrate that they had perpetuated a valid hierarchy. This is chiefly identified with High Church Anglicans and represents the survival of a seventeenth century contention against Puritans, that Anglicans were not to be classed with Continental Protestants.
Adventists claim that they must be the true church because they are persecuted; but Mormons have been persecuted a thousand fold more. ... They point to her and her visions as the sign and proof that they are the only true church.
