Albers, J. (1965). Josef Albers: Homage to the Square; [Gimpel & Hanover Galerie, Zürich, 23. Juni bis 7. August 1965, Gimpel Fils Gallery, London, 1st September to 2nd October 1965].
Lua i Stíl Chicago (17ú heag.)Albers, Josef. Josef Albers: Homage to the Square; [Gimpel & Hanover Galerie, Zürich, 23. Juni Bis 7. August 1965, Gimpel Fils Gallery, London, 1st September to 2nd October 1965]. Zürich, 1965.
Lua MLA (8ú heag.)Albers, Josef. Josef Albers: Homage to the Square; [Gimpel & Hanover Galerie, Zürich, 23. Juni Bis 7. August 1965, Gimpel Fils Gallery, London, 1st September to 2nd October 1965]. 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.