Pergaminho Sharrer
The Pergaminho Sharrer (European Portuguese: [pɨɾɣɐˈmiɲu ˈʃaʁɛɾ]; Galician: Pergamiño Sharrer [peɾɣaˈmiɲʊ ˈʃarɪɾ]; "Sharrer Parchment") is a mediaeval parchment fragment containing seven songs by King Denis of Portugal, with lyrics in the Galician-Portuguese language and musical notation. The fragment was discovered in 1990 by American scholar Harvey L. Sharrer, of the University of California, Santa Barbara.