@book{UBHD-1031368, author={Musper, Heinrich Th.}, title={D{\"u}rers Kaiserbildnisse}, publisher={DuMont Schauberg}, address={K{\"o}ln}, year={1969}, pages={64 S.}, language={ger}, keywords={D{\"u}rer, Albrecht / Herrscherbildnis}, library={UB [Signatur: 69 B 2920]}, }