Smythe, Barbara, ‘The Connection between Words and Music in the Songs of the Trobadors’, in Modern Language Review, 3.4 (1908), pp. 329–36, doi:10.2307/3713202

Smythe, Barbara, review of Pierre Aubry, La Rhythmique Musicale des. Troubadours et des Trouvères, in Modern Language Review, 4.4 (1909), pp. 540–42, doi:10.2307/3712928