Barbosa Machado, Diogo
- Robert Stevenson
(b Lisbon, March 31, 1682; d Lisbon, Aug 9, 1772). Portuguese bibliographer. He matriculated in 1708 as a student of canon law at Coimbra University and on 2 July 1724 he was ordained a priest. On 4 November 1728 he became abad of the church of S Adrião at Cever in the diocese of Lamego. His life work was a four-volume bibliography of Portuguese authors, Bibliotheca lusitana, historica, critica, e cronologica (Lisbon, 1741–59/R), which is especially valuable to the music historian because he included 127 composers and theorists. Insofar as he could find them, he listed not only their published works but also their manuscripts, noting in which library they were located. Since he had access to the royal music library before its destruction in the Lisbon earthquake of 1755, he listed numerous works now lost. In vol.iv, pp.593–6, he indexed musicians under ‘Musica’, thus making it simple for later writers to plagiarize his musical entries. Foreign reference works still copy Vasconcellos's ...