Opening show

Equipo Movimiento, flyer announcing In-Out Center and In-Out Productions events (3 of 3 pages), November 1972, coll. Raul Marroquin

Opening show

Joe Jones of Tone Deaf Music Company with his Music Machines during the opening of In-Out Center November 24 1972, coll. Corinne Groot

Opening show

Joe Jones, drawing of music machines, ink on paper, 21 x 30 cm, 1972, dedicated to Michel Cardena, coll. Corinne Groot

Art’s Birthday – In-Out Center supports the celebration by Robert Filliou of Art’s Birthday

In-Out Bulletin No. 2, January 24 1973, Equipo Movimiento and In-Out Productions, coll. Raul Marroquin. Announcement of In-Out Center's participation in the celebration of Filliou's Birthday of Art

Art’s Birthday – In-Out Center supports the celebration by Robert Filliou of Art’s Birthday

Letter to Robert Filliou at Neue Galerie Aachen about In-Out Center's participation in the celebration of Art's Birthday, Arte Y Parte No.122, April-May 2016, p.38