![Johann, Ritter von Oppolzer. Lithograph by A. Dauthage, 1859, after J.M. Aigner. | Wellcome Collection Johann, Ritter von Oppolzer. Lithograph by A. Dauthage, 1859, after J.M. Aigner. | Wellcome Collection](https://iiif.wellcomecollection.org/image/V0006582/full/full/0/default.jpg)
Johann, Ritter von Oppolzer. Lithograph by A. Dauthage, 1859, after J.M. Aigner. | Wellcome Collection
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Addison Gallery of American Art, Yale University Art Gallery, and Yale's Beinecke Rare Book & Manuscript Library Jointly Acquire an Important Photographic and Journalistic Archive: The Lucien Aigner Collection | Yale University
![his Excellency Johann Baron Kempen von Fichtenstamm Imperial and Royal field marshal lieutenant Inspector General of the police, Head of the Colonel Police Department etc. etc., lithograph by Adolf Dauthage based on his Excellency Johann Baron Kempen von Fichtenstamm Imperial and Royal field marshal lieutenant Inspector General of the police, Head of the Colonel Police Department etc. etc., lithograph by Adolf Dauthage based on](https://c8.alamy.com/comp/TTWXCF/his-excellency-johann-baron-kempen-von-fichtenstamm-imperial-and-royal-field-marshal-lieutenant-inspector-general-of-the-police-head-of-the-colonel-police-department-etc-etc-lithograph-by-adolf-dauthage-based-on-a-painting-by-joseph-matthew-aigner-facsimile-of-the-signature-additional-rights-clearance-info-not-available-TTWXCF.jpg)