Theorien, Die Bedeutung des Materials, Aus der Maltechnik geboren, and Problem der Form. Some of these thematic categories are titles of books, articles and lectures by Hildebrandt. Hildebrandt's articles published in magazines and newspapers are arranged chronologically, 1907-1961, often accompanied by typed manuscripts and offprints. There are also manuscripts, monographs, reviews, gallery talks and notes on modern artists, arranged alphabetically by artist. Notable artists and collectors covered in this series include Josef Albers, Hans Arp, Ernst Barlach, Hans Bruhlmann, Willi Baumeister, H.A.P. Grieshaber, Walter Gropius, von der Heydt, Adolf H lzel, Berhard Hoetger, Hermann Stenner, Oskar Schlemmer, Henry van de Velde, Wilhelm Wagenfeld, and Hugo Wolf.
Artist correspondence is arranged alphabetically by artist, with sketches and collected ephemera.
This series measures 4.25 linear feet and includes family photographs, photographs of artists, architects, artwork by women artists, art in the Hildebrandt art collection, and architecture. Some of these photographs were used to illustrate Hans Hildebrandt's published works. Adolf H lzel, Ida Kerkovius, Fernand Leger, Adolf Loos, Erich Mendelsohn, Hans Poelzig, Alfred Roth, Oskar and Tut Schlemmer, and Henry van de Velde. These papers measure 1.5 linear feet and include biographical documents, resum s, reviews, correspondence and assorted newspaper articles by Lily Hildebrandt.