Homer, Michael W. (2006). Seeking Primitive Christianity in the Waldensian Valleys: Protestants, Mormons, Adventists and Jehovah's Witnesses in Italy. [S.l.]: University of California Press. JSTOR10.1525/nr.2006.9.4.005.. doi:10.1525/nr.2006.9.4.005.Verifique |doi= (ajuda)
Homer, Michael W. (2006). Seeking Primitive Christianity in the Waldensian Valleys: Protestants, Mormons, Adventists and Jehovah's Witnesses in Italy. [S.l.]: University of California Press. JSTOR10.1525/nr.2006.9.4.005.. doi:10.1525/nr.2006.9.4.005.Verifique |doi= (ajuda)
Weber, N. (1912). «The first Waldensian congregations, it was maintained, were established by St. Paul who, on his journey to Spain, visited the valleys of Piedmont…In the nineteenth century, however, it became evident to critics that the Waldensian documents had been tampered with.». Waldenses: origins. Catholic Encyclopedia: New Advent. Consultado em 2 de fevereiro de 2019
Weber, N. (1912). Waldenses. Catholic Encyclopedia: New Advent. Consultado em 2 de fevereiro de 2019
