>Larissa Tracy, British Library MS Harley 630: Saint Alban's and Lydgate, Journal of the early book society, 3, 2000 : p. 36-58
>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