Friedrich Krupp Administration Building and Exhibition Hall, Hugel Park, Essen, Germany (Ecktreppen 1, 2, 3, 4 [Corner stairs nos. 1, 2, 3, and 4]. Plans, sections, isometric view.)
Ludwig Mies van der Rohe
American, born Germany. 1886–1969
Pencil, Ink on acetate
Mies van der Rohe Archive, gift of the architect