1981. Beuys in his studio/ home. Dusseldorf, Germany.

1981. L-R: George Wyllie, Joseph Beuys, Jessyka Beuys at Beuys's studio/ home in Dusseldorf, Germany.

1981. R-L: Joseph Beuys and George Wyllie. Dusseldorf, Germany.

1981. Beuys, Wyllie and group at Beuys's studio/ home, Dusseldorf, Germany.

1981. Beuys in his studio, signing 'Beuys, Rosebery, Fuller' edition of prints.

1981. Beuys (right) in his studio, Dusseldorf, Germany.

1981. John Martin with 'Beuys, Rosebery, Fuller' edition of prints, at Beuys's studio, Dusseldorf, Germany.

1972. Gerhard Richter. Dusseldorf, Germany.

1972. Demarco at home of Joseph Beuys, Dusseldorf, Germany.

1978. Announcement Card. The Artist as Explorer. Lecture by Demarco at Kunsthalle Dusseldorf, Germany.

1978. Gunther Uecker with works in his studio. Dusseldorf.

1978. Gunther Uecker with small work. Dusseldorf.

May 1978. Andre Thomkins with palindromes. Kunsthalle Dusseldorf.