Richard Long : Walking in circles : Hayward Gallery, South Bank Centre, London, 14 June - 11 August 1991 / [exhibition and publication organized by Susan Fergeler Brades]. - London, 1991. - 263 s. : kuv. (suurin osa vär.) ; 27 x 31 cm
1-85332-067-6 (CLOTH) ; 1-85332-069-2 (PAPER)