Clifford, T. (1989). Review 1984 - 1987: National Galleries of Scotland. National Galleries of Scotland.
Lua i Stíl Chicago (17ú heag.)Clifford, Timothy. Review 1984 - 1987: National Galleries of Scotland. Edinburgh: National Galleries of Scotland, 1989.
Lua MLA (8ú heag.)Clifford, Timothy. Review 1984 - 1987: National Galleries of Scotland. National Galleries of Scotland, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.