Boggs, Roy A. "Hartmann's Erec." In Innovation in Medieval Literature: Essays to the Memory of Alan Markman, edited by Douglas Radcliff-Umstead, pp. 49-62. Pittsburgh: Medieval Studies Committee of the University of Pittsburgh, 197l.

Compares Hartmann's Erec with its French source, the Erec et Enide of Chrétien de Troyes, concluding that Hartmann made significant changes to the story in order to depict more thoroughly Erec's character development.

Gentry, Francis G. "Hartmann von Aue's Erec: The Burden of Kingship." In King Arthur Through the Ages, edited by Valerie M. Lagorio and Mildred Leake Day, pp. 152-69. New York and London: Garland Publishing, 1990.

With a consideration of Arthurianism generally, explores the  leadership  qualities  and  knightly  virtues  that Hartmann stresses in Erec.

Green, D. H. "The Reception of Hartmann's Works: Listening, Reading, or Both?" The Modern Language Review 81, Pt. 2 (April 1986): 357-368.

Questions whether Hartmann intended and expected his writings to be read by literate members of the higher classes, recited without a written source, or read aloud (from manuscript) to an audience.

Keller, Thomas L. "The Relationship between Hartmann von Aue's Klage and His Lyric Poetry." The USF Language Quarterly XXIII, Nos. 3-4 (Spring-Summer 1985): 44-48.

Compares Hartmann's Die Klage with his minnesangs, insisting that Die Klage represents a more mature philosophy of love that breaks distinctly from the strict courtly ideals voiced by his early lyrics.

Lamse, James. "Hartmann von Aue's Crusade Poem 'Sweth frowe sendet ir lieben man' (MF 211, 20): A Pre-Condition for the Journey." In Itinerarium: The Idea of Journey, edited by Leonard J. Bowman, pp. 76-93. Salzburg: Institut für Anglistik und Amerikanistik, 1983.

Examines the motif of the journey as exemplified in the three  crusade  poems  (kreuzlieder)  of  Hartmann's minnesangs.

McConeghy, Patrick M. "Women's Speech and Silence in Hartmann von Aue's Erec." PMLA 102, No. 5 (October 1987): 772-83.

Argues that, although Erec may initially seem to endorse the male pursuit of higher social status and the relative silence and passivity of women, Hartmann may actually consider an active female to be requisite for knightly success.

Simon, Paul. "The Underrated Lyrics of Hartmann von Aue." The Modern Language Review 66, No. 4 (October 1971): 810-25.

Examines the characteristic structure and organization of Hartmann's poems and evaluates his contributions to the minnesang tradition generally.

Tobin, Frank J. Gregorius and Der arme Heinrich: Hartmann's Dualistic and Gradualistic Views of Reality. Bern and Frankfurt: Verlag Herbert Lang, 1973, 112 p.

Studies Hartmann's shorter narratives, exploring the reconciliation of opposites—especially God and man—in Gregorius and Der arme Heinrich.

Willson, H. B. "'Marriageable' in Der arme Heinrich." Modern Philology 64, No. 2 (November 1966): 95-102.

Critiques Hartmann's portrayal of the maid in Der arme Heinrich in order to understand the criteria by which she is judged a proper sacrifice.

——. "Kalogreant's Curiosity in Hartmann's Iwein." German Life and Letters XXI (1967-1968): 287-96.

Explores the ethical implications of Iwein in order to understand Hartmann's conception of knighthood.