found: Art & language in practice, c1999: t.p. (Michael Baldwin)
found: Wikipedia, 12 Sept. 2012: under Art & Language (Art & Language is a shifting collaboration among conceptual artists, founded in the UK in 1967/8 by artist [amongst others] Michael Baldwin, born 1945)
found: Lisson Gallery website, 12 Sept. 2012: artists, Art & Language (since 1977, Art & Language has been identified with the collaborative work of Michael Baldwin and Mel Ramsden, and with their theoretical and critical collaboration with Charles Harrison; Art & Language live and work in Middleton Cheney, Oxfordshire)
found: Tate Gallery website, 12 Sept. 2012: artists (Michael Baldwin, of Art & Language, born 1945)