An ornamental woodcut headpiece with symmetrical scrolls and floral motifs, centered around a small human face mask.

TO THE BENEVOLENT READER

For a long time now, the world of scholars has desired that the men of that religion—which even to this day is known by the name of heresya belief or opinion contrary to orthodox religious (especially Christian) doctrine.—be presented as if on a stage The author uses the metaphor of a "theater" or "stage" to describe the public, organized presentation of these historical figures and their ideas.. Behold! We offer to you, honest Reader, a Catalog of these men, compiled through the care and labor of Christopher Sandius Christoph Sand (1644–1680) was a famous scholar and bibliographer of the Anti-Trinitarian movement., of whom we have recently been deprived by his death. I will not dwell on praises of the author; for the sublime gifts of his mind, in