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The Watchtower, July 15, 1894, p. 1677Archived April 1, 2019, at the Wayback Machine: "We see no reason for changing the figures—nor could we change them if we would. They are, we believe, God's dates, not ours. But bear in mind that the end of 1914 is not the date for the beginning, but for the end of the time of trouble."
"Our Faith"(PDF). The Herald of the Morning: 52. September 1875. Archived from the original(PDF) on 2008-05-12. Retrieved 2008-05-29.
The Watchtower, July 15, 1894, p. 1677Archived April 1, 2019, at the Wayback Machine: "We see no reason for changing the figures—nor could we change them if we would. They are, we believe, God's dates, not ours. But bear in mind that the end of 1914 is not the date for the beginning, but for the end of the time of trouble."
Ehrman, Bart D. (2008). The New Testament: a historical introduction to the early Christian writings (4th ed.). New York: Oxford University Press. ISBN9780195322590. OCLC83758783.
Ehrman, Bart D. (2008). The New Testament: a historical introduction to the early Christian writings. Oxford University Press. ISBN978-0-19-532259-0. OCLC673218782.
Wagar, W. Warren (1991). "Hillel Schwartz. Century's End: A Cultural History of the Fin de Siècle from the 990s through the 1990s. New York: Doubleday. 1990. pp. 395". The American Historical Review. 96 (4): 1149. doi:10.1086/ahr/96.4.1149. ISSN0002-8762.
Burr, George Lincoln (1901). "The Year 1000 and the Antecedents of the Crusades". The American Historical Review. 6 (3): 429–439. doi:10.2307/1833508. ISSN0002-8762. JSTOR1833508.
Barbero, Alessandro (2015). Medioevo: storia di voci, racconto di immagini. Chiara Frugoni. Roma: GLF editori Laterza. ISBN978-88-581-1929-7. OCLC928760127.
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