The New Grove Dictionary of Music and Musicians, 2001

Sonata No. 2, cop. 1999

introd. de la partitura (Marcello wrote six Cello Sonatas which have survived in three different editions with varying and inaccurate opus numbers, they were published as op. 1 in Amsterdam, c. 1732, as op. 2 in London, 1732, and as op. 1 in Paris, c. 1735)

(Marcello, Benedetto; Sonatas; Sei suonate, vc, bc as op. 1, Amsterdam, c1732/R as op. 2, London, 1732)