>Keith Busby, Codex and Context. Reading Old French Verse Narrative in Manuscript, New York, Rodopi, 2002
>Robert Alexander Magill, Part I of the "Voeux du Paon" by Jacques de Longuyon: An Edition of Manuscripts S, S1, S2, S3, S4, S5, and S6, Columbia University, 1964
>Cyril Ernest Wright, Fontes Harleiani. a study of the sources of the Harleian collection of manuscripts preserved in the Department of Manuscripts in the British Museum, Londres, printed by order of the Trustees, 1972