Andersson, Theodore M. A Preface to the Nibelungenlied. Stanford University Press, 1987.

Andersson discusses the Nibelungenlied in the context of the development of epic poetry, focusing on the rise of the romance genre and the ways that the Nibelungenlied participates in both genres He provides extensive bibliographic entries for each of his chapters, and deals with the sources, literary context, and critical history of the Nibelungenlied

Boggs, Roy A. "The Popular Image of Brunhilde," in The Roles and Images of Women in the Middle Ages and Renaissance, edited by Douglas Radcliff-Umstead. University of Pittsburgh Press, 1975.

Boggs discusses the various interpretations of Brunhilde's role in the Nibelungenlied and in other works She is primarily seen as the "noble but betrayed queen of Iceland," but her character does appear and take other roles in some Scandinavian epics such as the Volsunga Saga and the Poetic Edda

Gentry...