Vitzthum, W. (1969). Drawings from Stockholm.
Lua i Stíl Chicago (17ú heag.)Vitzthum, Walter. Drawings from Stockholm. 1969.
Lua MLA (8ú heag.)Vitzthum, Walter. Drawings from Stockholm. 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.