Which of the following primary sources would best help someone examine how the printing press and printed books influenced Europe?

a sixteenth-century document calling for the censorship of newly printed books

a twentieth-century map showing the printing presses in Renaissance Europe

a diagram of the printing press that Johannes Gutenberg created by hand

a copy of one of the most well-known illuminated manuscripts used for prayer

The best primary source that would help someone examine how the printing press and printed books influenced Europe would be a diagram of the printing press that Johannes Gutenberg created by hand. This would provide a visual representation and detailed understanding of the technology that revolutionized the production of books and had a profound impact on European society and culture.