Downsbrough, P. (1973). Two Lines: Six sections. Gallery 9.
Lua i Stíl Chicago (17ú heag.)Downsbrough, Peter. Two Lines: Six Sections. Paris: Gallery 9, 1973.
Lua MLA (8ú heag.)Downsbrough, Peter. Two Lines: Six Sections. Gallery 9, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.