How many glyphs and how many scribes? Digital paleography and the Voynich manuscript
Davis · 2020 · Manuscript Studies: A Journal of the Schoenberg Institute for Manuscript Studies
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The March draft cites this as "How Many Scribes Wrote the Voynich Manuscript? A Computational Approach to Scribal Attribution", Manuscript Studies 5(1):1-23; the real title and pages are as given here. The free copy on Penn's repository is the published version with the issue's front matter (21 pages).