Deutschenspiegel und Ausburger Sachsenspiegel / herausgegeben von Karl August Eckhardt und Alfred Hübner. - Hübner, Alfred, n. 1899. (OLS)http://pul/name/14433; Eckhardt, Karl August, 1901-1979. (OLS)http://pul/name/14316 (Hahn, 1933)
Comprende indice.
Bibliografia in nota.

Inter timorem et spem : a study of the theological thought of Gerard Zerbolt of Zutphen (1367-1398) / by G.H. Gerrits. - Gerrits, G. H. (OLS)http://pul/name/15088 (E.J. Brill, 1986)
Contiene indice.
Bibliografia: p. [309]-319.