In this article the author regrets Figure 4 was incorrect.
The corrected Figure 4 is reproduced on the next page.
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Figure 4. Several of the most prolific scholars of the century are not widely known today. Praesides with 100 or more dissertations (excluding reprints and duplicates). Data source: Verzeichnis der im deutschen Sprachraum erschienenen Drucke des 17. Jahrhunderts (2020).