Lawrence, Frank. 2012. The Lismore Gradual: Music and liturgy in 12th century Lismore. International Eucharistic Congress 2012, Dublin, edited by Brendan Leahy and Salvador Ryan,  Dublin: Veritas.

Lawrence, Frank. 2008. An Irish Gradual of the Twelfth Century - Oxford, Bodleian Library, MS. Rawl. C. 892: A Palaeographical, Liturgical and Repertorial Study. PhD, University College Dublin.