Question: Where was a unique copy of a grammar by an a medieval Andalusian polymath found?
Sentence (from "Cancionero de Upsala"): It survives in a unique copy at the Uppsala University Library and was edited in 1909 by Rafael Mitjana; the subsequent literature has mostly adopted his spelling "Upsala" (""Upsala"" being the historic Swedish spelling of "Uppsala" until the major spelling reform of 1906).
Relevant evidence: No