The medieval period of Arab history - https://en.wikipedia.org/wiki/History_of_the_Arabs#Medieval_...

See also the results of a Google Scholar search at https://scholar.google.com/scholar?q=Medieval+Arabs

"Religious influences on medieval Arabic philology"

"Mediterranean in the Works of the Early Medieval Arabic Geographers and Historians"

"Glaucoma in the Medieval Arabic World"

"Stars and Numbers: Astronomy and Mathematics in the Medieval Arab and Western Worlds"

EDIT: also Medieval Africa. https://en.wikipedia.org/wiki/History_of_Africa#Medieval_and... including Medieval Somalia https://en.wikipedia.org/wiki/Category:Medieval_Somalia

Isn’t medieval just a time period for after the fall of Roman Empire and before the renaissance

And the Islamic Golden Age itself is an oxymoron as much of the historical knowledge was Greek (large parts of these conquered lands had sizable Greek populations) and the many contemporary contributors were either non-muslim or raised in conquered cultures that had not been fully assimilated by Islam but instead maintained many of their pre-conquered traits.