Brown's Robertson's Selection of Sacred Music, in four vocal parts, enlarged and greatly improved. To which is affixed a supplement, containing fifty tunes, doxologies, &c., not published in any former edition, by John Campbell.
Robertson, John, Teacher of Music.
Campbell, John.
4 ; BM Mus. (1938) has X to ROBERTSON (John) of Glasgow, Cat. there is one with the epithet  (a difft. author) in NC Scottish Church Music, pp.332-3.