A useful looking resource:
The British Library has set up a new page focusing on Hebrew manuscripts, many medieval. The digital collection includes Haggadahs, Torahs, Pentateuchs, and various treatises. Additionally, the site has articles explaining various aspects of these manuscripts.
Check them out here.
14th c Pentateuch
Excerpts from Maimonides’ Code of Law, embellished with sumptuous full-border illuminations. Mishneh Torah, Lisbon, 1472 CE (Harley MS 5698)
The 14th c. Golden Haggadah
15th c Pentateuch
Header image is a Pentateuch ca 1300.