ERKELS, FERENC, VÉBER, G. Ungarische Elemente in der Opernmusik Ferenc Erkels. Bilthoven, Creyghton, 1976.
244 pp. Sewn. Illustrations. Thesis. *librarysticker on spine and endpaper, traces of librarysticker on frontcover, librarystamp verso title page, spine discoloured, fold in frontcover, otherwise in good condition*