Hildenbrand published articles to the art and design magazine Bauhaus in the late 1920s.
[3] Together with pictures of his French colleague Jules Gervais-Courtellemont, Hildenbrand's war photographs were on display in 2009 in the exhibition "Endzeit Europa" in the Kurt Tucholsky Literature Museum in Rheinsberg and then in the House of Brandenburg-Prussian History in Potsdam.
A book containing a collection of statements by contemporary witnesses was published to accompany the exhibition.
As early as 2007, on the occasion of the centenary of color photography, numerous pictures by Hildenbrand were shown in the Municipal Gallery of Erlangen.
Court photographer and pioneer of early color photography, published by the House of History, Baden-Württemberg.