. . "Serpentine Gallery. <London>." . . . . "Bird song : a selection of walks made on the British Isles 1970 - 1990. Rainsleet snow. streams and rivers flowing to the sea. [exhibitiondates: 8 June to 14 July 1991]" . . . . . . "Bird song : a selection of walks made on the British Isles, 1970-1990 : rain sleet snow, streams and rivers flowing to the sea : [exhibition dates: 8 June to 14 July 1991]" . "Bird song : a selection of walks made on the British Isles 1970-1990" . . . "Bird song : a selection of walks made on the British Isles, 1970-1990 : rain sleet snow, streams and rivers flowing to the sea"@en . . . . .