Examples of connected dots?

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Were Kabbalah-related works in much circulation beyond Jewish intellectual and esoteric circles in the late Middle Ages?

At least as far as this book is concerned:

Early humanists, such as Johannes Trithemius (1462-1516) and Heinrich Cornelius Agrippa von Nettesheim (1486-1535), used the Sefer Raziel as an extensive source of quotations for their works. Nikolaus von Kues (1401-1464), Johannes Reuchlin (1455-1522), and Guillaume Postel (1510-1581) were also familiar with this book.

Source: Wikipedia