Paull F. Baum,
Dante Gabriel Rossetti: An Analytical List of Manuscripts in the
Duke University Library With Hitherto Unpublished Verse and Prose.
(Durham: Duke UP)
1931, 14-16, 56-65
◦ Frances Winwar, “Dante Gabriel's or William Michael's? (An Attempt to Establish the Authorship of Some Rossetti Sonnets Published by the Duke University Press)”, PMLA XLVIII (March 1933), 312-315