Gerhard Rühm Untitled (From the Project Concrete Poetry; Wer Ist Wer?) (Untitled [From the Project... 1955
Gerhard Rühm Untitled (From the Project Concrete Poetry; Scharf) Untitled [From the Project Concrete... 1955
Gerhard Rühm Untitled (From the Project Concrete Poetry; Haar) (Untitled (From the Project Concrete... 1955
Gerhard Rühm Untitled (From the Project Concrete Poetry; Nacht) (Untitled [From the Project Concrete... 1959
Jesús Ruiz Durand Carteles de la Reforma Agraria Peruana (Posters of the Peruvian Agrarian Reform) 1969-1975