Black-and-white stipple engraved portrait of naturalist and physician Marcus Elieser Bloch. From Dictionaire des sciences médicales, Volume 2, by Antoine Jacques Louis Jourdan, published Paris: C. L. F. Panckoucke.
Black-and-white etched portrait of naturalist and physician Marcus Elieser Bloch. Engraving by Johann Conrad Krüger. From the Oekonomische Encyklopädie, oder allgemeines System der Staats- Stadt- Haus- und Landwirthschaft -Wirthschaft, in alphabetischer Ordnung, Volume 31, by Johann Georg Krünitz, published Berlin: J. Pauli.
