Arturo Ballester Campesino, rotas tus cadenas, no consientas te opriman otros tiranos (Peasant Farmer,... 1936 Room 205.05
José Bardasano Baos, Juana Francisca (Juana Francisca Rubio) 10*25 Novembre, tota la joventut per la campanya de d´hivern (10*25 November, All Youth... 1938 Room 205.05
Francis Bartolozzi ("Pitti"), Pedro Lozano Coro y Teatro del pueblo. Misiones Pedagógicas (People's Chorus and Theatre.... 1931 Room 205.17
Jacint Bofarull i Foraster Els aixafarem!!!... Amb l'Exercit Popular (We Will Crush Them!!!... With the People’s... 1937 Room 205.05
Marcel Broodthaers Chez votre fournisseur (Le Vinaigre des Aigles) (At your Supplier [Vinegar of Eagles]) 1968 Room 432
Joseph Kosuth, Sol LeWitt, Lawrence Weiner, Carl Andre, Robert Morris, Robert Barry, Douglas Huebler The Xerox Book 1968 Room 434