The printing press, credited to the German inventor and printer Johannes Gutenberg (l. c. 1398-1468) in the 1450s, became the single most important factor in the success of the Protestant Reformation
Printing, History, Techniques, & Facts
The Reformation: A History: MacCulloch, Diarmaid: 9780143035381: : Books
How the Invention of the Printing Press Helped Advance the Reformation - Credo Magazine
The Protestant Reformation and the Printing Press
The Printing Revolution in Renaissance Europe - World History Encyclopedia
Martin Luther's 95 Theses - World History Encyclopedia
Why Question the Protestant Reformation? - Econlib
The Role of Printing in Medieval and Reformation Europe · After 500 Years: The Protestant Reformation · Special Collections Online Exhibits
5 Solas of the Reformation—What They Are & Why They Matter