If you’re into this type of historical artifact, Codex Sinacticus from the fourth century was scanned at high resolution and is online at https://www.codexsinaiticus.org/en/
The National Library of Sweden has made the raw digitized files available under CCBY here for those of you who want to play around with their own visualization: https://data.kb.se/dark-17757824
The history behind the vulgate and sources used by Jermome is a great read. Wikipedia can take you down many fine rabbit holes. (This book has a very fine early vulgate bible in it)
