Friedrich Krupp Administration Building and Exhibition Hall, Hugel Park, Essen, Germany (Gebäudekern im UG., EG., 1+2 OG. [Core at basement, ground, second, and third floors]. Plans.)
Ludwig Mies van der Rohe
American, born Germany. 1886–1969
Pencil, Ink on acetate
Mies van der Rohe Archive, gift of the architect