
Invitation Michael Gibbs language operations, march 26 - april 6 1974, coll. Michael Gibbs Archive

Biography Michael Gibbs made in conjunction with his show language operations in In-Out Center, march 26 - april 6 1974, coll. Michael Gibbs Archive

Alphabet visual poem on backside of biography Michael Gibbs, made in conjunction with his show language operations in In-Out Center, march 26 - april 6 1974, coll. Michael Gibbs Archive

Exterior of In-Out Center during exhibition language operations of Michael Gibbs, photo Jorgos Chronis

Close up of In-Out Center window during exhibition language operations of Michael Gibbs, photo Jorgos Chronis
Invitation flyer and the work Live Love Life Line

Michael Gibbs, Body Mind, 1974, coll. Hlif Svavarsdottir
this work was shown at the exhibition language operations

Original pictures for artist's book Extinction, 1974, coll. Michael Gibbs Archive

Michael Gibbs, Extinction, In-Out Productions, Amsterdam, 1974, 14.5 x 9.6 cm, small artist's book of 6 photographs published to coincide with the artist's exhibition in March 1974, coll. Michael Gibbs Archive

Michael Gibbs, Extinction, In-Out Productions, Amsterdam, 1974, 14.5 x 9.6 cm, small artist's book of 6 photographs published to coincide with the artist's exhibition in March 1974, coll. Michael Gibbs Archive

Michael Gibbs, Extinction, In-Out Productions, Amsterdam, 1974, 14.5 x 9.6 cm, small artist's book of 6 photographs published to coincide with the artist's exhibition in March 1974, coll. Michael Gibbs Archive

Sheet with 4 pictures of the performance Extinction at the Jan van Eyck Academy Maastricht, November 21 1974, coll. Michael Gibbs Archive

Picture of the performance Extinction at the Jan van Eyck Academy Maastricht, November 21 1974, coll. Michael Gibbs Archive

Announcement poster for the performance Extinction at the Jan van Eyck Academy Maastricht, November 21 1974, coll. Michael Gibbs Archive

Language Art, backside of poster for the performance Extinction at the Jan van Eyck Academy Maastricht, November 21 1974, coll. Michael Gibbs Archive

Still from the video Extinction, the performance was filmed on November 21 1974 at the Jan van Eyck Academy by Raul Marroquin, courtesy Michael Gibbs Archive

Still from the video Extinction, the performance was filmed on November 21 1974 at the Jan van Eyck Academy by Raul Marroquin, courtesy Michael Gibbs Archive

Still from the video Extinction, the performance was filmed on November 21 1974 at the Jan van Eyck Academy by Raul Marroquin, courtesy Michael Gibbs Archive