1809-1865 1910-1994 1914-1918 19thcentury 20thcentury 20thcenturys abraham adolf american artcollectionsdörries boston braunschweig catalogs collectibles engraving european france german germanpoetry germany greatbritain herzoganton-ulrich-museumbraunschweig herzogaugustbibliothek history imperialism inart kingsandrulers kingsandrulersinart lincoln massachusetts military museumoffinearts pictorialworks portraitdrawing portraitpainting power(socialsciences)inart presidents privatecollections propaganda russia self-portraits socialaspects unitedstates worldwar worldwar(1914-1918)